Eating Foods That Boost Your Memory

Making sure that you boost your memory is something that everyone in high school and in college should do. If you do not try to boost your memory you may find that you are unable to recall certain information that you learned in class that day and you may fail your test. There are many things that you can do to make sure that you are able to boost your memory. One great thing that you can do is eat foods that boost your memory.

When it comes to learning how to boost your memory you will find that food is a very important thing. There are many different foods out there that will help you to increase your memory and be able to recall all the information that you learned in class. Here are a few of the foods that you should be consuming to help you with your memory. PUFAs- This is an abbreviation of polyunsaturated fatty acids that help to improve your memory. They have been studied time and time again and have shown massive amount of improvement in the brain. Foods that contain PUFA's are salmon, tuna, sardines, herring, walnuts, Brussels sprouts, summer and winter squash, cabbage and leafy greens. Selenium- Selenium is an important mineral that the body needs but can only be taken in small amounts. It has been tested in rats that have Alzheimer's disease and it helped increase memory in the rat's brain. Selenium can be found in brazil nuts, eggs, rice, oatmeal, beef, turkey, and walnuts. Polyphenols- Polyphenols is the material that makes fruits and plants have their color. Past research has shown that they can help to boost your memory and have helped with brain function. While found in all plants and fruits these can be found in higher concentrations in raspberries, blackberries, blueberries and grapes.

Now that you know what kinds of foods you will want to eat to boost your memory you may want to know how much you should be eating. You should consume at least one of each of the categories listed above. Doing so will help you have the optimal amount of nutrition for your brain. Try using something that has both or all of the brain food listed. Walnuts are a great choice because they offer both PUFA's and selenium. If you cannot squeeze in one of each group a day try to get at least one thing in. If you are very busy just get something that is easy to grab such as nuts or fruits.

Eating the right foods to boost your memory will help you to increase your test scores and your overall classroom grades. Not only will you feel healthier but you will also feel smarter as well. Make sure that you consume as much of these brain foods as possible. Pack them for a snack at school and make sure that you eat them when you get home from school and even before studying.

For more information about how to boost your memory, check out the Good Grades Guide Review. I'm sure you'll like it.

Source: http://articles.submityourarticle.com/eating-foods-that-boost-your-memory-318710

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Great Guide On How To Get Good Auto Insurance ? Social ... - Valkry

If you have a car, then you need auto insurance. Trying to understand all the information from the many different insurance companies can be overwhelming. Read on to find some useful tips on how to sort through all the information so that you can get the right amount of coverage for the best price.

Tips To Lower Your Auto Insurance Rates Do not pay the monthly payments for insurance; do it quarterly. If you pay it by month you are paying around five bucks more. This amount can add to your bill quickly. These payment can also turn into a burden, in addition to your other monthly expenses. The less payments you have, the better.

The majority of the big insurance companies will offer significant discounts when everyone in the household is insured together. Getting on a family insurance plan can save hundreds or even thousands of dollars in a year.

Tips To Get Cheaper Auto Insurance Rates You should keep detailed records of modifications or accessories that you have added to your vehicle. You'll need this as proof if your car is stolen or damaged. If you modify your car, ensure that your insurance company will cover these in the event of damage or theft.

Avoid attorneys and filing suits unless the claim is worth more than 25,000 dollars. It is better to focus on making a settlement with your insurance companys claims adjuster. An attorney will charge you a percentage of whatever they win for you, so they are usually not worth the trouble unless it is a large amount of money in question.

Before you purchase a car, find out how much it would cost to insure it. Your agent will be able to provide you with the information that details which vehicles have the best insurance rates. Knowing the amount of insurance you will need to pay ahead of time can help in your choice of a new or used car. In addition, purchasing vehicles with good safety ratings can help save a large sum of money on car insurance.

Knowing More About Auto Insurance Will Help Most companies offer discounts for having anti-theft devices installed on the vehicle. The more likely your car is to be stolen, the higher your insurance premium will be. By making your car as secure as possible, you will help ensure lower premiums as the risk of theft, and a big insurance payout, is significantly decreased.

Be sure of what coverage you need when it comes to buying car insurance. While many insurance options are available, some do not make sense. If you tend to have accidents, you would be wise to pay for collision coverage.

Take the time to review your auto insurance policy when it is time for renewal. Make sure to keep your personal information updated on your policy. If you are traveling shorter distances, because of work location or other changes, you may be able to save money on your insurance.

Avoid the purchase of pricey after-market items for your vehicle that are not really necessary. Though they may be a nice luxury, fancy stereo systems and heated seats are unnecessary. If you get in an accident and total your car, or if it's stolen, the insurance company will only pay you for the value of the car, which does not include any after-market equipment.

Car insurance is required to protect you, your passengers, and the other driver, or drivers when there is an accident. You need to make sure you get the right things when it comes to insurance coverage. Start implementing the advice in this article to get the right coverage for you.

Source: http://crew.valkry.com/blog/105817/great-guide-on-how-to-get-good-auto-insurance/

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Time to step in? U.S. weighs direct aid to Syrian rebels

PARIS (AP) ? The Obama administration, in coordination with some European allies, is for the first time considering supplying direct assistance to elements of the Free Syrian Army as they seek to ramp up pressure on Syrian President Bashar Assad to step down and end nearly two years of brutal and increasingly deadly violence.

Officials in the United States and Europe said Tuesday the administration is nearing a decision on whether to provide non-lethal assistance to carefully vetted fighters opposed to the Assad regime in addition to what it is already supplying to the political opposition. A decision is expected by Thursday when U.S. Secretary of State John Kerry will attend an international conference on Syria in Rome that leaders of the opposition Syrian National Coalition have been persuaded to attend, the officials said.

The officials spoke on condition of anonymity because the shift in strategy has not yet been finalized and still needs to be coordinated with European nations, notably Britain. They are eager to vastly increase the size and scope of assistance for Assad's foes.

Kerry, who was a cautious proponent of supplying arms to the rebels while he was chairman of the Senate Foreign Relations Committee, has been consulting with European leaders on how to step up pressure on Assad to leave power. The effort has been as a major focus of his first official trip abroad as America's top diplomat. On the first two stops on his hectic nine-nation tour of Europe and the Middle East, in London and Berlin, he has sought to assure the Syrian opposition that more help is on the way.

In London on Monday, he made a public appeal to opposition coalition leader Mouaz al-Khatib not to boycott the Rome meeting as had been threatened and to attend the conference despite concerns among Assad foes that international community is not doing enough. Kerry and Vice President Joe Biden made private telephone calls to al-Khatib to make the same case.

"We are determined that the Syrian opposition is not going to be dangling in the wind, wondering where the support is, if it is coming," Kerry told reporters after meeting British Prime Minister David Cameron and Foreign Secretary William Hague.

Hague said that the deteriorating conditions in Syria, especially recent scud missile attacks on the city of Aleppo, were unacceptable and that the West's current position could not be sustained while an "appalling injustice" is being done to Syrian citizens.

"In the face of such murder and threat of instability, our policy cannot stay static as the weeks go by," Hague told reporters, standing beside Kerry. "We must significantly increase support for the Syrian opposition. We are preparing to do just that."

The officials in Washington and European capitals said the British are pushing proposals to provide military training, body armor and other technical support to members of the Free Syrian Army who have been determined not to have links to extremists. The officials said, however, that the U.S. was not yet ready to consider such action although Washington would not object if the Europeans moved ahead with the plans.

The Obama administration has been deeply concerned about military equipment falling into the hands of radical Islamists who have become a significant factor in the Syrian conflict and could then use that materiel for terrorist attacks or strikes on Israel.

The Italian government, which is hosting Thursday's conference, said on Monday that the Europeans would use the meeting "to urge the United States' greater flexibility on measures in favor of the opposition to the Assad regime."

"They will be asking, in particular, that 'non-lethal' aid be extended to include technical assistance and training so as to consolidate the coalition's efforts in the light of what emerged at the latest meeting of the EU Foreign Affairs Council," the foreign ministry said in a statement. In a recent meeting, European Union foreign ministers agreed that support to the rebels needed to be boosted.

Officials in Washington said the United States was leaning toward providing tens of millions of dollars more in non-lethal assistance to the opposition, including vetted members of the Free Syrian Army who had not been receiving direct U.S. assistance. So far, assistance has been limited to funding for communications and other logistical equipment, a formalized liaison office and an invitation to al-Khatib to visit the United States in the coming weeks.

The officials stressed, however, that the administration did not envision American military training for the rebels nor U.S. provision of combat items such as body armor that the British are advocating.

The officials said the U.S. is also looking at stepping up its civilian technical assistance devoted to rule of law, civil society and good governance, in order to prepare an eventual transition government to run the country once Assad leaves.

In Europe, meanwhile, Kerry on Tuesday visited Berlin where he met his Russian counterpart, Sergei Lavrov, for the first time in his new post, spending more than an hour discussing the Syria conflict. Russia has been a strong supporter of Assad and has, along with China, repeatedly blocked efforts at the United Nations to impose global sanctions against the regime unless it stops the violence that has killed nearly 70,000 people.

State Department spokeswoman Victoria Nuland said the two met for an hour and 45 minutes, spending more than half that time on Syria in what she called a "really serious and hardworking session."

Kerry and Lavrov discussed how they could implement the so-called Geneva Agreement, which is designed to get the Syrian government and rebels to plan a transitional government for the time after Assad leaves office, Nuland said.

Lavrov told Russian news agencies that his talks with Kerry were "quite constructive." On Syria, he said the two reaffirmed their "intention to do all Russia and the U.S. can do. It's not that everything depends on us, but we shall do all we can to create conditions for the soonest start of a dialogue between the government and the opposition."

Syria's foreign minister was in Moscow on Monday and while there expressed a willingness to meet with opposition leaders.

The Syrian National Coalition is skeptical about outside help from the West and threatened to boycott the Rome meeting until a series of phone calls and meetings between Kerry and his ambassadors and Syrian opposition leaders repaired the schism. The council now says it will attend the meeting, but is hoping for more concrete offers of help, including military assistance.

___

Klapper contributed to this report from Washington.

Source: http://news.yahoo.com/ap-sources-us-weighs-direct-aid-syrian-rebels-014311467--politics.html

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Muscle, skin and gastrointestinal problems cause a quarter of patients with heart disease and strokes to stop treatment in HPS2-THRIVE trial

Feb. 27, 2013 ? The largest randomised study of the vitamin niacin in patients with occlusive arterial disease (narrowing of the arteries) has shown a significant increase in adverse side-effects when it is combined with statin treatment.

Results from the HPS2-THRIVE study (Heart Protection Study 2 -- Treatment of HDL to Reduce the Incidence of Vascular Events), including the reasons patients stopped the study treatment, are published online February 27 in the European Heart Journal [1].

Niacin has been used for decades to help increase levels of "good" HDL cholesterol and to decrease levels of "bad" LDL cholesterol and triglycerides (fats) in the blood in people at risk of cardiovascular problems such as heart disease and stroke. However, it has a number of side-effects including flushing of the skin. Another drug, laropiprant, can reduce the incidence of flushing by blocking the prostaglandin D2 receptor that is involved in the process. Therefore, the HPS2-THRIVE study investigated whether combining extended-release niacin with laropiprant (ERN/LRPT), given in addition to an LDL cholesterol-lowering statin, simvastatin, could reduce the risk of cardiovascular problems in people at high risk due to existing occlusive arterial disease.

A total of 25,673 patients from China, the UK and Scandinavia were randomised between April 2007 and July 2010 to receive either 2g of extended release niacin plus 40 mg of laropiprant or matching placebo. In addition, all participants received intensive LDL cholesterol-lowering therapy with simvastatin (with or without ezetimibe). Researchers from the Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU) at the University of Oxford (UK), who were responsible for designing and conducting the trial and analysing the results, followed the patients for an average of 3.9 years.

By the end of the study, 25% of patients taking ERN/LRPT had stopped their treatment, compared with 17% of patients taking placebo.

Jane Armitage, Professor of Clinical Trials and Epidemiology & Honorary Consultant in Public Health Medicine at the CTSU, said: "The main reason for patients stopping the treatment was because of adverse side-effects, such as itching, rashes, flushing, indigestion, diarrhea, diabetes and muscle problems. We found that patients allocated to the experimental treatment were four times more likely to stop for skin-related reasons, and twice as likely to stop because of gastrointestinal problems or diabetes-related problems.

"We found that, in the trial as a whole, participants in the experimental arm had a more than four-fold increased risk of myopathy (muscle pain or weakness with evidence of muscle damage) compared with the placebo group. This is highly significant. It appeared that this effect was about three times greater among participants in China than those in Europe, for reasons that are not clear. In the placebo arm (i.e. those on statin-based treatment alone), the statin-related myopathy was more common among participants in China than those in Europe. Therefore -- in combination with the greater effect of ERN/LRPT on myopathy in China -- the excess number of cases of myopathy caused by ERN/LRPT (though low in both regions) was over ten times greater among participants in China than those in Europe (0.53 percent per year compared to 0.03 percent per year)."

Dr Richard Haynes, Clinical Coordinator at the CTSU, said: "This is the largest randomised trial of extended release niacin treatment and it provides uniquely reliable results on adverse side-effects and the ability of patients to tolerate them. Although 25 percent of patients stopped the treatment early, 75 percent continued on it for approximately four years. Currently, we are analysing the final data on the cardiovascular outcomes from the trial, and once we have these we will know whether or not the benefits of the treatment outweigh the myopathy, skin and gastrointestinal problems."

The researchers will be presenting full results on the cardiovascular outcomes at the annual meeting of the American College of Cardiology in March and these will be published in another paper afterwards [2].

The co-principal investigator of the study, Dr Martin Landray, Reader in Epidemiology and Honorary Consultant Physician at the CTSU, said: "Previous research had suggested that improving cholesterol levels in high-risk patients might translate into a 10-15 percent reduction in major vascular events such as heart attacks and strokes. In the HPS2-THRIVE study, 3,400 of the 25,673 participants suffered a major vascular event over an average of four years of follow-up. This means the study has excellent statistical power to discover the effectiveness or otherwise of the treatment."

In an accompanying editorial [3], Professor Ulf Landmesser, of the University Hospital Zurich (Switzerland), points out that although the study showed an increase in myopathy, it also showed that the ERN/LRPT substantially lowered LDL cholesterol and triglycerides by nearly 20%. He writes that these observations "raise important questions as to why niacin/laropiprant did not reduce major cardiovascular events," and he wonders whether laropiprant "is really biologically inert with respect to atherosclerosis and thrombosis."

He concludes that "niacin has failed as a valuable 'partner' of statin therapy in lipid-targeted approaches to further reduce major cardiovascular events in high-risk patients." He continues: "At present, statin therapy has been clearly shown to reduce vascular events effectively and is reasonable well tolerated in most patients. We will still have to wait for the results of ? ongoing studies to see whether another lipid-targeted intervention can further reduce vascular events in addition to statin therapy."

Notes:

[1] "HPS2-THRIVE randomized placebo-controlled trial in 25 673 high-risk patients of ER niacin/laropiprant: trial design, pre-specified muscle, and liver outcomes and reasons for stopping study treatment," by Richard Haynes, Lixin Jiang, Jemma C. Hopewell, Jing Li, Fang Chen, Sarah Parish, Martin J. Landray, Rory Collins, and Jane Armitage, The HPS2-THRIVE Collaborative Group. European Heart Journal.

[2] In December 2012 the pharmaceutical company Merck, which manufactures ERN/LRPT under the trade name Tredaptive and which funded the HSP2-THRIVE study, issued a statement saying the trial had failed to meet its primary endpoint and that "the combination of extended-release niacin and laropiprant to statin therapy did not significantly further reduce the risk of the combination of coronary deaths, non-fatal heart attacks, strokes or revascularizations compared to statin therapy." ERN/LRPT is not approved for use in the USA, and on January 11, Merck announced that it was "taking steps to suspend the availability of TREDAPTIVE? (extended-release niacin/laropiprant) tablets worldwide."

[3] "The difficult search for a 'partner' of statins in lipid-targeted prevention of vascular events: the re-emergence and fall of niacin," by Ulf Landmesser. European Heart Journal. doi:10.1093/eurheartj/eht064

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Story Source:

The above story is reprinted from materials provided by European Society of Cardiology (ESC), via AlphaGalileo.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.

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Journal Reference:

1. Richard Haynes, Lixin Jiang, Jemma C. Hopewell, Jing Li, Fang Chen, Sarah Parish, Martin J. Landray, Rory Collins, and Jane Armitage, The HPS2-THRIVE Collaborative Group. HPS2-THRIVE randomized placebo-controlled trial in 25 673 high-risk patients of ER niacin/laropiprant: trial design, pre-specified muscle, and liver outcomes and reasons for stopping study treatment. European Heart Journal, 2013 DOI: 10.1093/eurheartj/eht055

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/heart_disease/~3/Evx6aULTeDo/130226193840.htm

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IE 10: It's Not Just for Windows 8 Anymore

In what could be a boost for Microsoft in the browser wars, the company on Tuesday began offering Internet Explorer 10 to Windows 7 users, giving them the same enhanced Web surfing features previously only available to those who had access to Windows 8. The company will automatically update Windows 7 users' browsers in 95 languages over the next few weeks.

Source: http://ectnews.com.feedsportal.com/c/34520/f/632000/s/28fe4b91/l/0L0Stechnewsworld0N0Crsstory0C7740A10Bhtml/story01.htm

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Storm that buried Plains slams Great Lakes region

CHICAGO (Reuters) - A powerful winter storm that buried the U.S. Plains and left at least three people dead moved on Tuesday into the southern Great Lakes region, where it snarled the evening commute in Chicago and Milwaukee, created near-whiteout conditions and forced hundreds of flight cancellations.

Much of the region was under either a winter storm warning or a winter weather advisory, according to the National Weather Service, as the system's potent blend of wet snow, sleet and strong winds bore down on north central Illinois, southern Wisconsin and northern Indiana and Ohio.

The most intense snowfall and greatest accumulations were expected through Tuesday night, the NWS said. With winds gusting up to 35 mph, near-whiteout conditions were reported in some rural areas, the agency said.

More than 500 flights were canceled at Chicago's O'Hare International and Midway airports alone, according to the Chicago Department of Aviation. Those flights that managed to take off or land faced delays of up to an hour.

The Illinois Tollway agency, which maintains nearly 300 miles of highway around Chicago, deployed its fleet of more than 180 snowplows to keep the roads clear.

As the afternoon rush hour began in Chicago, blowing snow reduced visibility and created treacherous driving conditions, doubling average travel times in and out of the city on major expressways, according to Traffic.com.

The Wisconsin Department of Transportation warned that much of Interstate 94 between the Illinois state line and Milwaukee was ice covered.

In Chicago, the city's public school system, the third-largest school district in the country, canceled all after-school sporting events, including six state regional basketball games.

The snowstorm may have discouraged some voters in Chicago and its suburbs from voting in a special election primary to replace indicted Congressman Jesse Jackson Jr., who resigned the seat in November citing health concerns.

Forecasters with the National Weather Service said the storm would continue to move eastward, dumping 3 to 5 inches of wet snow on Detroit overnight and into Wednesday morning.

It is then expected to move slowly into the Northeast, largely avoiding the cities of New York, Boston and Washington, D.C., but bringing snow to parts of New York state, Vermont, New Hampshire and Maine, said Brian Korty, a meteorologist with the National Weather Service.

"It's going to linger for a long time over portions of the Northeast," Korty said.

Parts of New York and Pennsylvania could get a "sloppy mix" of snow, ice and rain. Already, ice accumulations were causing sporadic power outages across higher terrains of western Maryland, eastern West Virginia and far western Virginia, said Erik Pindrock, a meteorologist with AccuWeather.

"It's a very multi-faceted storm," Pindrock said. "It's a whole potpourri of wintry weather."

In Oklahoma, Texas and Kansas, where the storm hit earlier, residents were digging out.

Highways in the Texas and Oklahoma panhandles and parts of Kansas remained closed because of heavy and drifting snow.

Amarillo, Texas, saw 19 inches of snow Sunday night into Monday, the third-largest snowfall ever in that city, Pindrock said.

The storm contributed to at least three deaths, two in Kansas and one in Oklahoma.

A woman died and three passengers were injured Monday night on Interstate 70 when their pickup truck rolled off the icy roadway in Ellis County, Kansas Governor Sam Brownback said. Earlier Monday, a man was killed when his car veered off the interstate in Sherman County near the Colorado border, he said.

"We urge everyone to avoid travel and be extremely cautious if you must be on the roads," said Ernest Garcia, superintendent of the Kansas Highway Patrol.

In northern Oklahoma, one person died when the roof of a home partially collapsed in the city of Woodward, said Matt Lehenbauer, the city's emergency management director.

"We have roofs collapsing all over town," said Woodward Mayor Roscoe Hill Jr. "We really have a mess on our hands."

Kansas City was also hard hit by the storm, which left snowfalls of 7 to 13 inches in the metro region on Tuesday, said Chris Bowman, meteorologist for the National Weather Service. Another 1 to 3 inches is forecast for Tuesday evening and nearly two-thirds of the flights at Kansas City International Airport Tuesday afternoon were canceled.

In addition to the winter storm, National Weather Service forecasters on Tuesday issued tornado watches across central Florida and up the eastern coast to South Carolina.

(Reporting by Kevin Murphy in Missouri, David Bailey in Minneapolis, James B. Kelleher in Chicago and Corrie MacLaggan in Texas; Editing by Lisa Von Ahn, Barbara Goldberg, Nick Zieminski, Dan Grebler, Phil Berlowitz and Eric Walsh)

Source: http://news.yahoo.com/storm-buried-plains-slams-great-lakes-region-025456755.html

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Pro-Assad Hackers Take Over AFP's Twitter with Syrian Propaganda Photos

LOS ANGELES (Reuters) - Carrie Fisher, who played Princess Leia in the original "Star Wars" trilogy, was briefly hospitalized due to her bipolar disorder, the actress' spokeswoman said on Tuesday after video emerged of Fisher giving an unusual stage performance. The video came from a show Fisher gave aboard a cruise ship in the Caribbean last week, according to celebrity website TMZ, which posted the clip. The clip shows Fisher, 56, singing "Skylark" and "Bridge Over Troubled Waters," at times appearing to struggle to remember the lyrics. ...

Source: http://news.yahoo.com/pro-assad-hackers-over-afps-twitter-syrian-propaganda-182741169.html

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How Close Is Iran, Really, To Nuclear Weapons

Whenever some country comes close to the final development of nuclear bombs, the Americans and the Russians send a special ambassador to them to have 'the talk'.
? ? The talk goes something like this:
? ? "Well, we have been able to detect that you are close to developing a functioning nuclear weapon. Don't deny it, just shut up and listen.
? ? ? We and the Russians (or the Americans, depending on who's talking) have constructed a situation between ourselves where we both have enough hydrogen bombs to kill every living thing on earth and still have enough left over to blow up the moon. You, on the other hand, will so have enough nuclear weaponary to blow up a shopping mall and its parking lot. We and the Russians (or Americans, as the case may be) have our weapons set on hair-trigger automated response so that anything from a flock of geese to a stray alpha particle could set the whole thing off and take everybody with it. We're not exactly proud of this situation and would like to tone it all down a bit. But it has taken on a life of its own and basically, at this point, we're stuck with it.
? ? ? ? In this situation as it is and will continue to be, there's no room for half assed clowns like you. You are a pissant wild card that could easily blunder into fucking up the balance and causing the entire destruction of world civilization. We know that you don't think this way, and you believe that you have legimate reasons for making this nuclear bomb, but, frankly, you and any of your reasons don't mean shit to us or the Russians (or Americans).
? ? ? So here's the deal. You're not going to like it. But you don't have any choice. You are a third world peasant of no real consequence and we are the two countries that have 15000 hydrogen bombs between us. That means we rule the world that you live in and we decide the way things are going to be.
? ? ? We can't afford to have ANY nuclear event horizon happen that might escalate into global nuclear exchange. We aren't going to let August 1914 happen again where the assassination of minor playboy prince dominoed into a World War.
? ? ? So, if ANY nuclear event happens in your corner of the world, by anybody, for any reason, we are going to assume YOU are responsible and we and the Russians (or the Americans, again, depending on who's delivering 'the talk') are going to nuke your entire country past present and future into sparkling glowing dust.
? ? ? In other words, if you go ahead with this program of making a nuclear device, and then announce to the world that you have a bomb, and actually do a successful test of it (and we will know if you have), then you are going to have to take control and responsibility of all the crazy fools in your part of the world who also might somehow get a rogue nuclear device. And we all know that you have a lot of crazy fools in your part of the world.
? ? ? That's the way it is. The choice is yours.
? ? ? ? Have a nice day. "

? ? Basically the USA:USSR has given this talk to the Israelis, Japanese, Pakistanis, Indians, South Africans, and North Koreans so far. The Israelis and Japanese were smart enough to never acknowledging their bombs or (in the case of the Japanese) their ability to build one in a short time. The South Africans gave up their nuclear bombs when apartheit ended. The Pakis and Indians are happy to accept their own destruction if it means the destruction of the other Pakis and Indians because they believe that they'll just go to heaven and the other Pakis:Indians won't. And the North Koreans are too bat-shit crazy to care about anything anyway.
? ? ? ? This is just conjecture, but the Iranians will most likely accept the terms of 'the talk' and then settle into the nuclear community background like the Chinese, British, and French have. Basically a "don't fuck with us and we won't fuck with you" Golden-Rule stance that seems to work the best in this bad situation that we have all lived with since the 1960s.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/UNOXxWOlaLk/story01.htm

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Long-Lost Continent Found under the Indian Ocean

The beaches of Mauritius contain fragments of a type of rock typical of ancient continental crust ? rock which could have been brought to the surface by volcanic eruptions. Image: http://www.nature.com/polopoly_fs/7.9116.1361551494!/image/HIRES%2042-32415022%20reduced.jpg

The drowned remnants of an ancient microcontinent may lie scattered beneath the waters between Madagascar and India, a new study suggests.

Evidence for the long-lost land comes from Mauritius, a volcanic island about 900 kilometers east of Madagascar. The oldest basalts on the island date to about 8.9 million years ago, says Bj?rn Jamtveit, a geologist at the University of Oslo. Yet grain-by-grain analyses of beach sand that Jamtveit and his colleagues collected at two sites on the Mauritian coast revealed around 20 zircons ? tiny crystals of zirconium silicate that are exceedingly resistant to erosion or chemical change ? that were far older.

The zircons had crystallized within granites or other igneous rocks at least 660 million years ago, says Jamtveit. One of these zircons was at least 1.97 billion years old.

Jamtveit and his colleagues suggest that rocks containing the wayfaring zircons originated in ancient fragments of continental crust located beneath Mauritius. They propose that geologically recent volcanic eruptions brought shards of the crust to Earth?s surface, where the zircons eroded from their parent rocks to pepper the island?s sands. The team's work is published today in Nature Geoscience.

Crustal remains
The paper also suggests that not just one but many fragments of continental crust lie beneath the floor of the Indian Ocean. Analyses of Earth?s gravitational field reveal several broad areas where sea-floor crust is much thicker than normal ? at least 25 to 30 kilometers thick, rather than the normal 5 to 10 kilometers.

Those crustal anomalies may be the remains of a landmass that the team has dubbed Mauritia, which they suggest split from Madagascar when tectonic rifting and sea-floor spreading sent the Indian subcontinent surging northeast millions of years ago. Subsequent stretching and thinning of the region?s crust sank the fragments of Mauritia, which together had comprised an island or archipelago about three times the size of Crete, the researchers estimate.

The team chose to collect sand, rather than pulverize local rocks, to ensure that zircons inadvertently trapped in rock-crushing equipment from previous studies did not contaminate their fresh samples. The nearest known outcrop of continental crust that could have produced the Mauritian zircons is on Madagascar, far across a deep sea, Jamtveit notes. Furthermore, the zircons came from Mauritian sites so remote that it is unlikely that humans carried them there.

?There?s no obvious local source for these zircons,? says Conall Mac Niocaill, a geologist at the University of Oxford, UK, who was not involved in the research.

Also, it does not seem as if the zircons rode to Mauritius on the wind, says Robert Duncan, a marine geologist at Oregon State University in Corvallis. ?There?s a remote possibility that they were wind blown, but they?re probably too large to have done so,? he adds.

Other ocean basins worldwide may well host similarly submerged remains of ?ghost continents?, Mac Niocaill notes in an accompanying News & Views article. Only detailed surveys of the ocean floor, including geochemical analyses of their rocks, will reveal whether the splintered and now submerged Mauritia has any long-lost cousins, he suggests.

This article is reproduced with permission from the magazine Nature. The article was first published on February 24, 2013.

Source: http://rss.sciam.com/click.phdo?i=d703f9d15796695859aed6ba5f188a87

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Florida town remembers Trayvon Martin a year after killing

SANFORD, Florida (Reuters) - A year after the shooting death of an unarmed black teenager in this central Florida town, there is a small memorial, a new police chief and an effort to improve race relations.

Trayvon Martin, 17, was gunned down on February 26, 2012, as he walked to his father's fiancee's home in one of Sanford's gated communities. The man accused of his killing, George Zimmerman, 28, a white Hispanic on neighborhood watch, is set to be tried on June 10.

A judge could grant immunity to Zimmerman at a pre-trial hearing on April 29 under Florida's controversial Stand Your Ground law, which allows people to use lethal force in self defense if they are in fear of serious bodily harm.

Martin's death drew top-tier civil rights leaders, such as the Rev. Jesse Jackson and Al Sharpton, who brought a national spotlight to this town just north of Orlando and not far from Disney World.

That spotlight forced the town of 53,000 to confront police work that seemed to be a throwback to the days of separate and resolutely unequal racial sensibilities.

"This situation, with all eyes on Sanford is making them (city leaders) do something about it now," said Cindy Philemon, 49, who helps run the local black heritage museum and welcome center.

A year later Martin's family says it does not want the case considered in racial terms. "We don't want people to see this as a black kid. I want people to see this as a teenager ... who was walking, minding his own business," Martin's mother, Sabrina Fulton, told the NPR radio show "Tell Me More" on Monday night.

Despite the pain of losing her son, Fulton said she was glad that a debate had opened up about Florida's Stand Your Ground law.

The family is backing an amendment to the law seeking to restrict its application. "You can't follow, pursue and chase anyone, be the aggressor, have a confrontation with him, shoot and kill him, and then go home to your bed and nothing happens," she said.

During the weekend, volunteers in the black community hastily worked to complete a modest memorial of stuffed animals, cards and crosses in time to remember the first anniversary of Martin's shooting. It has also become a way for Sanford to remember the many other black victims of violence whose stories largely went untold.

City Manager Norton Bonaparte, who is black, said Sanford had begun to tackle deep-seated problems between police and the black community that were exposed in public forums after Martin's death.

"In honoring Trayvon's life, we have to make ourselves a better community," Bonaparte said.

The police chief at the time of Martin's shooting lost his job over criticism that his department and prosecutors chose not to charge or arrest Zimmerman.

The new chief starts his job in April.

"Now, it's like the police are getting more involved in being with the community," Philemon said. "They are starting to do their part in interacting with us. They say there is not as many shootings as there once was."

Another resident, Thelma Holmes, 62, agreed saying, "It is better than what it was before, because we had a lot of killings of young men ... The people and the police, they're both trying."

Trayvon's death will not be forgotten.

"It started people to come forward. So his death is not going to be in vain," Philemon said. "And he will always be remembered."

Martin's parents and lawyers will be in New York City, not Sanford, to hold a candlelight vigil on Tuesday night.

Zimmerman, who is charged with second-degree murder, was granted bond and ordered to surrender his passport, agree to be electronically monitored, reside in Seminole County, and observe a nighttime curfew.

(Editing by David Adams, Leslie Gevirtz and Bill Trott)

Source: http://news.yahoo.com/florida-town-remembers-trayvon-martin-killing-034053549.html

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Demi Lovato Nursing Her 'Heart Attack' And A Broken Leg

'X Factor' judge talks to Ryan Seacrest about the brand-new single and why she's on crutches.
By Jocelyn Vena

Demi Lovato performs at the 2012 People's Choice Awards
Photo: Getty Images

Source: http://www.mtv.com/news/articles/1702643/demi-lovato-heart-attack-broken-leg.jhtml

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Watch Zuck, Bill Gates, Jack Dorsey, & Others In Short Film To Inspire Kids To Learn How To Code

Code.org, the new non-profit aimed at encouraging computer science education launched last month by entrepreneur and investor brothers Ali and Hadi Partovi, has assembled an all-star group of the world's most well-known and successful folks with programming skills to talk about how learning to code has changed their lives -- and isn't quite as hard as people might think.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/G97WNCeblmw/

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Britain's top Catholic cleric resigns, won't elect new pope

LONDON (Reuters) - Britain's most senior Roman Catholic cleric resigned on Monday following allegations he behaved in an inappropriate way with priests, and said he would not take part in the election of Pope Benedict's replacement.

Cardinal Keith O'Brien said he had tendered his resignation some months ago, ahead of his 75th birthday in March and because he was suffering from "indifferent health".

The Vatican said the pope, who steps down on Thursday, had accepted O'Brien's resignation as archbishop of St. Andrews and Edinburgh.

O'Brien, an outspoken opponent of gay marriage, has been reported to the Vatican over allegations of inappropriate behaviour stretching back 30 years, according to Britain's Observer newspaper.

The cardinal, who last week advocated allowing Catholic priests to marry as many found it difficult to cope with celibacy, rejected the allegations and was seeking legal advice, his spokesman said.

"Looking back over my years of ministry: For any good I have been able to do, I thank God. For any failures, I apologise to all whom I have offended," O'Brien said in a statement, which made no reference to the recent allegations.

He said he would not attend the election next month of a new pope, saying: "I do not wish media attention in Rome to be focussed on me - but rather on Pope Benedict XVI and on his successor."

The Observer, which gave little detail on the claims, said three priests and a former priest, from a Scottish diocese, had complained over incidents dating back to 1980.

One said the cardinal formed an "inappropriate relationship" with him while another complained of unwanted behaviour by O'Brien after a late-night drinking session.

Last year, O'Brien's comments labelling gay marriage a "grotesque subversion" landed him with a "Bigot of the Year" award from British gay rights group Stonewall.

(Reporting by Guy Faulconbridge and Michael Holden; editing by Maria Golovnina and Jon Boyle)

Source: http://news.yahoo.com/britains-most-senior-roman-catholic-cleric-resigns-112102576.html

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SCIENCE: An Avian Tribe Apart

Sorry, Readability was unable to parse this page for content.

Source: http://www.nytimes.com/video/2013/02/25/science/100000002085361/an-avian-tribe-apart.html?partner=rss&emc=rss

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NVIDIA Tegra 4i Phoenix reference phone hands-on (video)

NVIDIA's latest venture in the mobile world, called the 4i, was introduced last week ahead of Mobile World Congress, and fortunately the chipset maker brought the product to Barcelona embedded in a reference phone known as "Phoenix." The 8mm-thick handset, which will find a home in the labs of manufacturers and carriers (as well as the desks of many third-party devs), sports a 5-inch 1080p display, 13MP rear-facing camera, PRISM 2, Chimera, DirectTouch and LTE (we're told that most major bands are included for testing purposes). As it's not geared for general consumer use, so it's not the thinnest, sleekest or best-looking device, and the back doesn't even seem to snap completely shut. Units are being sampled as we speak, and we should expect to see devices hit the market in nine to twelve months. Since it's still pretty early in the process, we weren't able to turn on the phone or benchmark the chipset; the only exception to this rule, as you'll see in the video, was when a rep showed a gaming demo on his particular unit.

While the 4i is the smaller brother of the Tegra 4 family, it's still expected to be quite powerful. The chip, which is designed specifically for smartphones (tablets will take advantage of Tegra 4 instead), features four 28nm Cortex-A9 r4 (beefed-up from the standard A9) cores that can be clocked up to 2.3GHz, 60 GPU cores (compared to 72 on the T4) and an integrated i500 LTE baseband modem. For additional comparison, NVIDIA showed us the two sibling boards side-by-side. Head below to check out our galleries of Phoenix and the two chipsets, as well as a brief video that shows off the graphics prowess of the 4i.

Gallery: NVIDIA Tegra 4i Phoenix reference phone hands-on

Gallery: NVIDIA Tegra 4 vs 4i

Filed under: Cellphones, Mobile, NVIDIA

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Source: http://www.engadget.com/2013/02/24/nvidia-tegra-4i-phoenix-reference-phone-hands-on-video/

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Seth MacFarlane's Oscar Debut Saved By 'Star Trek'

'Family Guy' creator joins forces with William Shatner's Captain Kirk to save the Oscars telecast.
By Josh Wigler

Seth MacFarlane at the 2013 Oscars
Photo: Kevin Winter/ Getty Images

Source: http://www.mtv.com/news/articles/1702509/oscars-seth-macfarlane-william-shatner.jhtml

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Danica Patrick not satisfied with Daytona finish

Danica Patrick, center, prepares to get in her car before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick, center, prepares to get in her car before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson crosses the finish line to win the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Michael Annett (43), Johanna Long (70), Hal Martin (44), Mike Bliss (19), Jason White (00), Joe Nemechek (87), Jeffrey Earnhardt (79), Matt Kenseth (18), Danny Efland (4) and Kasey Kahne (5) collide and slide as Austin Dillon (3) escapes between Turns 1 and 2 during the NASCAR Nationwide Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013. (AP Photo/Phelan M. Ebenhack)

Danica Patrick (10) and Jeff Gordon (24) lead the pack to start the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick competes during NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick turned in the best finish by a woman in the Daytona 500.

Still, she's beating herself up a little bit after fading on the final lap.

With one lap to go, Patrick was running third behind Jimmie Johnson and Dale Earnhardt Jr. The crowd was going nuts, hoping the pole-sitter could somehow pull out an improbable win.

All of a sudden, Patrick's inexperience in stock cars showed as her No. 10 car slipped back to eighth. Johnson held off Earnhardt to win the Great American Race.

"I would imagine pretty much anyone would be kicking themselves about what they coulda, shoulda have done to give themselves an opportunity to win," she said. "There was uncertainty on how to accomplish that."

Patrick led three times for a total of five laps, and she ran in the top 10 most of the day. It wasn't that strenuous, either, giving her a time to chat on the radio with her crew chief and spotter, picking their brains on strategy at the end of the race.

"How am I gonna do this?" Patrick recalled thinking. "I didn't know what to do exactly. Maybe that's just my inexperience. Maybe it was not me thinking hard enough. I'm not sure. I was a little bit uncertain how to do that."

Before Sunday, Janet Guthrie was the highest-finishing woman in the 500. She was 11th in 1980.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

JIMMIE THE SALESMAN: Jimmie Johnson is a heck of a driver.

He's not a bad salesman, either.

After winning the Daytona 500 for the second time, Johnson gave a shoutout to his sponsor Lowe's, the home improvement chain.

"Spring's coming," the five-time Cup champion said. "Go buy some stuff."

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

JOHNSON WINS THE 500: Jimmie Johnson has won the Daytona 500 for the second time.

Johnson held off Dale Earnhardt Jr. to become the 10th driver with multiple wins in "The Great American Race."

Danica Patrick was running third heading to the final lap, but she dropped back to eighth as everyone jostled for position.

Still, it was the highest finish ever for a woman in NASCAR's signature event. Janet Guthrie finished 11th in 1980.

Johnson, a five-time champion, also won the 500 in 2006. But he's had some tough finishes in recent years, including a 42nd-place flameout in 2012.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

RACE TO THE END: The Daytona 500 is heading for a thrilling finish.

Jimmie Johnson leads and Danica Patrick is still in the mix after a late caution flag for debris on the track in turn two.

When the green flag came out with six laps to go, Johnson was followed by defending Cup champion Brad Keselowski, Denny Hamlin, Greg Biffle and Clint Bowyer. Patrick is running sixth.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

DOWN THE STRETCH: Defending Sprint Cup champion Brad Keselowski leads the Daytona 500 with 20 laps to go.

He's followed by Jimmie Johnson, Marcus Ambrose, Greg Biffle, Denny Hamlin and Danica Patrick.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

KENSETH OUT: There won't be a repeat winner at the Daytona 500.

Defending champ Matt Kenseth had led more laps than anyone when, suddenly, his car began smoking on lap 149. He headed to pit road and it didn't take long for the crew to push him behind the wall, ruining any hopes of becoming the first back-to-back winner since Sterling Marlin in 1994-95.

Kenseth and his new teammates at Joe Gibbs Racing, Kyle Busch and Denny Hamlin, were actually running 1-2-3 when Kenseth had some sort of engine or transmission problem. Just two laps later, Busch's car also went out, smoking as well, sending the driver of the No. 18 machine storming through the garage, ripping off his racesuit.

"It's really unfortunate," Busch said. "We were running 1-2-3 and it felt like we were dropping like flies. Something inside the motor broke that's not supposed to break. It's a little devastating when you're running 1-2-3 like that. Hopefully the No. 11 (Hamlin) can bring it home."

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

EDWARDS' TOUGH MONTH: No one will be more eager than Carl Edwards to get out of Daytona.

The No. 99 team had a brutal month leading up to the NASCAR season opener, wrecking four times.

Make it five.

Edwards was caught up in a crash heading into turn one at the Daytona 500, another case of simply being in the wrong place at the wrong time. Trevor Bayne bumped Brad Keselowski from behind, which sent the No. 21 car sliding sideways.

With nowhere to go, Edwards was sent into the outside wall.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

SMOKE STEAMS: Tony Stewart has returned to the track at the Daytona 500.

But he's pretty much assured of going 0-for-15 in NASCAR's biggest race.

Stewart was 82 laps behind the leaders when he rolled out of the garage after an early crash. His frustration was never more evident than when he joined in the repair effort, banging on his No. 14 car with a hammer during the long stint in the paddock.

"To hell with the season," Stewart said. "I wanted to win the Daytona 500. We had a car that we could pass with today. We were passing cars by ourselves. I was so happy with our car, was just waiting for it to all get sorted out again. I don't know what started it, but we just got caught up in another wreck."

Stewart's misfortune came a day after he won the lower-division Nationwide race ? his 19th career triumph at Daytona.

None of them have come in the race he really wants.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

FAMILIAR SPOT: Matt Kenseth is back in a familiar spot.

Leading the Daytona 500.

Kenseth was running out front at the 100-lap mark, halfway through the biggest NASCAR race of the season.

While there's nothing unusual about Kenseth leading at Daytona, where he's won two of the last three years, it's a bit jarring to see him doing it in the No. 20 car.

Kenseth had spent his entire Cup career driving the No. 17 machine for Roush Fenway Racing, but he switched to Joe Gibbs Racing this season. He's got a new car, a new number, a new sponsor and a new team.

But he still knows how to run strong at Daytona.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

DANICAMANIA: Danica Patrick keeps making history.

The first woman to start from the pole at the Daytona 500 has become the first female to lead a lap in a NASCAR Cup race.

Patrick sent the huge crowd into a frenzy when she snatched the lead from Michael Waltrip on lap 90 after a series of pit stops under yellow. She led two laps before Denny Hamlin surged to the front.

But Patrick has shown her qualifying run was no fluke. She's got a strong car and has been in the top 10 all day as the 200-lap race approaches the midway point.

Patrick switched to NASCAR last year after becoming the first woman to lead laps at the Indianapolis 500, as well as being the first to win an IndyCar race.

Now, she's looking for a win in NASCAR's biggest event.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

AWKWARD: Rapper 50 Cent wasn't content just chatting up Erin Andrews.

He went in for a kiss.

Rebuffed.

In the strangest part of the buildup to the Daytona 500, Mr. Cent brought back memories of Joe Namath's awkward attempt to plant one on Suzy Kolber when he tried the same move with Andrews on pit road.

She turned her head one way, then the other, only allowing the "Candy Shop" rapper to get a peck on the cheek.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

BIG CRASH: We've had the first big wreck of the Daytona 500.

And a bunch of top contenders have seen their chances go up in smoke.

Former 500 winners Kevin Harvick, Tony Stewart and Jamie McMurray were caught up in the crash on lap 33. So was defending Sprint Cup champion Brad Keselowski.

The melee began coming through the tri-oval when Kasey Kahne's car began to slide across the track after appearing to get bumped from behind by Kyle Busch.

At least two other drivers also got caught up in the mess: Juan Pablo Montoya and Casey Mears. Joey Logano made a great move to dodge the spinning cars.

Pole sitter Danica Patrick made it through unscathed and remains near the front of the pack.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

HANG ON TIGHT: From one defending champion to another, Brad Keselowski had a piece of advice for Daytona 500 starter Ray Lewis:

Don't drop the flag.

The retired Baltimore Ravens star served as honorary starter for the Daytona 500. Lewis waved the green flag without incident Sunday to start the "Great American Race."

Lewis, who said he was nervous, got a quick tip from Keselowski.

"Brad texted me on the way in, the one rule is, don't drop the flag," Lewis said before the race. "I'm going to squeeze the flag very hard. I want to watch this and be a part of it. To be here is an awesome experience."

Lewis was one of several stars at Daytona International Speedway. Rappers T.I. and 50 Cent attended NASCAR's season opener, which has Danica Patrick starting on the pole.

Oscar-nominated actor James Franco was the grand marshall and said, "Drivers and Danica, start your engines!" The Zac Brown Band played a pre-race concert in the Daytona International Speedway infield. Band member Clay Cook performed the national anthem.

Retired baseball pitcher Tom Gordon, comedian Drew Carey, and Wes Welker and Steve Spurrier also were in attendance.

Lewis called Keselowski on the eve of the 2012 season finale at Homestead-Miami Speedway and left him an inspirational voice message. Keselowski also often listens to Lewis' motivational speeches before races.

"I caught a glimpse of how he always watched my videos and it really inspired him," Lewis said. "That's when me and him really started having conversations with each other, and from there it just turned into a friendship. I send him motivational things, and heads-up on what I am doing, that's where the relationship has gone."

? Dan Gelston ? http://twitter.com/APgelston

___

DANICA DROPS BACK: Danica Patrick made history by becoming the first woman to start from the pole in a NASCAR Cup race.

But in the beginning of the Daytona 500, she failed to pull off another landmark.

Choosing the outside spot on the front row, Patrick gave up the lead to Jeff Gordon on the very first lap, missing out on an early chance to become the first female to lead a Cup lap.

Over the first 10 laps, she settled in behind Gordon and held on to the second spot in the 43-car field.

Patrick went on the radio before the race to thank her crew for giving her such a strong car. "I'll do the best job I can to do my end of the deal today," she said. "All in all, thank you for everything. You guys are awesome."

Later, Patrick sent the huge crowd into a frenzy when she snatched the lead from Michael Waltrip on lap 90 after a series of pit stops under yellow. She led two laps before Denny Hamlin surged to the front.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

FRANCO'S AUDIBLE: "Drivers ... and Danica!!! ... start your engines."

With that unique command, actor James Franco has ordered the 43 cars to fire up for the Daytona 500.

The duty is normally carried out with the most famous words in racing: "Gentlemen, start your engines."

Of course, this year is different. Danica Patrick is the first woman to start from the pole in a Cup race, and Franco hinted beforehand that he was planning an audible. As unpredictable as ever, he passed on a chance to copy the command that was used when Patrick raced in the Indianapolis 500, "Lady and gentlemen, start your engines."

Now, it's time to go racing at Daytona.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

A HEARTY BUNCH: NASCAR FANS RETURN TO DANGER ZONE: Say this about NASCAR fans: They don't frighten easily.

One day after a harrowing crash injured dozens of fans in the stands, those same seats are filling up for the Daytona 500.

No one seems too concerned.

"These should be good seats," said Rick Barasso, as he settled into a spot that was right in the danger zone when Kyle Larson's car slammed into the catch fencing on the final lap of a Nationwide Series race Saturday. "I mean, what are the chances of it happening again?"

That seems to be the attitude of the fans heading into the Daytona 500, the season-opening Cup race and biggest event on the NASCAR schedule. Most people say it's worth the risk to sit next to the ear-rattling action ? no more than 20 feet away for those in the first row. They love to hear the engines, smell the exhaust, and feel the wind whipping in their face as 43 cars go by at nearly 200 mph.

Still, there are a few fans fretting about the location of their seats.

Raymond Gober returned to the same location where he was nearly struck by a bolt from Larson's car. He scooped up the debris as a souvenir, though he acknowledged being a little nervous about his seat on the back row of the lower level. He even considered wearing his motorcycle helmet to the 500, but figured "everybody would start laughing at me." Next year, he plans to buy an upper-level seat in the main grandstand.

"My dad called and said, 'You're sitting in the same seats? "' Gober said. "He couldn't believe it."

There are grim reminders of what happened Saturday: a bloody spot that had been washed down (not entirely, though), a tire mark on a seat, another seat that was partially bent from getting struck by that same tire.

? Paul Newberry ? http://www.twitter.com/pnewberry1963

___

EDITOR'S NOTE ? "Daytona 500 Watch" shows you the Daytona 500 and events surrounding the race through the eyes of Associated Press journalists. Follow them on Twitter.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-02-24-NASCAR-Daytona%20500%20Watch/id-708b53138378491b9dc5b924afc9b454

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Nine Inch Nails To Return In 2013

Trent Reznor announces NIN will tour the U.S. this year, ending a four-year hiatus.

Trent Renzor
Photo: Karl Walter/ Getty Images

Source: http://www.mtv.com/news/articles/1702562/nine-inch-nails-tour.jhtml

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Laser mastery narrows down sources of superconductivity

Public release date: 24-Feb-2013
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Contact: Justin Eure
jeure@bnl.gov
631-344-2347
DOE/Brookhaven National Laboratory

MIT and Brookhaven Lab physicists measure fleeting electron waves to uncover the elusive mechanism behind high-temperature superconductivity

UPTON, NY Identifying the mysterious mechanism underlying high-temperature superconductivity (HTS) remains one of the most important and tantalizing puzzles in physics. This remarkable phenomenon allows electric current to pass with perfect efficiency through materials chilled to subzero temperatures, and it may play an essential role in revolutionizing the entire electricity chain, from generation to transmission and grid-scale storage. Pinning down one of the possible explanations for HTSfleeting fluctuations called charge-density waves (CDWs)could help solve the mystery and pave the way for rapid technological advances.

Now, researchers at the Massachusetts Institute of Technology and the U.S. Department of Energy's Brookhaven National Laboratory have combined two state-of-the-art experimental techniques to study those electron waves with unprecedented precision in two-dimensional, custom-grown materials. The surprising results, published online February 24, 2013, in the journal Nature Materials, reveal that CDWs cannot be the root cause of the unparalleled power conveyance in HTS materials. In fact, CDW formation is an independent and likely competing instability.

"It has been difficult to determine whether or not dynamic or fluctuating CDWs even exist in HTS materials, much less identify their role," said Brookhaven Lab physicist and study coauthor Ivan Bozovic. "Do they compete with the HTS state, or are they perhaps the very essence of the phenomenon? That question has now been answered by targeted experimentation."

Custom-grown Superconductors

Electricity travels imperfectly through traditional metallic conductors, losing energy as heat due to a kind of atomic-scale friction. Impurities in these materials also cause electrons to scatter and stumble, but superconductors can overcome this hurdleassuming the synthesis process is precise.

For this experiment, Bozovic used a custom-built molecular beam epitaxy system at Brookhaven Lab to grow thin films of LaSrCuO, an HTS cuprate (copper-oxide) compound. The metallic cuprates, assembled one atomic layer at a time, are separated by insulating planes of lanthanum and strontium oxides, resulting in what's called a quasi-two-dimensional conductor. When cooled down to a low enough temperatureless than 100 degrees Kelvinstrange electron waves began to ripple through that 2D matrix. At even lower temperatures, these films became superconducting.

Electron Sea

"In quasi-two-dimensional metals, low temperatures frequently bring about interesting collective states called charge-density waves," Bozovic said. "They resemble waves rolling across the surface of a lake under a breeze, except that instead of water, here we actually have a sea of mobile electrons."

Once a CDW forms, the electron density loses uniformity as the ripples rise and fall. These waves can be described by familiar parameters: amplitude (height of the waves), wavelength (distance between waves), and phase (the wave's position on the material). Detecting CDWs typically requires high-intensity x-rays, such as those provided by synchrotron light sources like Brookhaven's NSLS and, soon, NSLS-II. And even then, the technique only works if the waves are essentially frozen upon formation. However, if CDWs actually fluctuate rapidly, they may escape detection by x-ray diffraction, which typically requires a long exposure time that blurs fast motion.

Measuring Rolling Waves

To catch CDWs in action, a research group at MIT led by physicist Nuh Gedik used an advanced ultrafast spectroscopy technique. Intense laser pulses called "pumps" cause excitations in the superconducting films, which are then probed by measuring the film reflectance with a second light pulsethis is called a pump-probe process. The second pulse is delayed by precise time intervals, and the series of measurements allow the lifetime of the excitation to be determined.

In a more sophisticated variant of the technique, largely pioneered by Gedik, the standard single pump beam is replaced by two beams hitting the surface from different sides simultaneously. This generates a standing wave of controlled wavelength in the film, but it disappears rapidly as the electrons relax back into their original state.

This technique was applied to the atomically perfect LaSrCuO films synthesized at Brookhaven Lab. In films with a critical temperature of 26 degrees Kelvin (the threshold beyond which the superconductivity breaks down), the researchers discovered two new short-lived excitationsboth caused by fluctuating CDWs.

Gedik's technique even allowed the researchers to record the lifetime of CDW fluctuationsjust 2 picoseconds (a millionth of a millionth of a second) under the coldest conditions and becoming briefer as the temperatures rose. These waves then vanished entirely at about 100 Kelvin, actually surviving at much higher temperatures than superconductivity.

Ruling out a Suspect

The researchers then hunted for those same signatures in cuprate films with slightly different chemical compositions and a greater density of mobile electrons. The results were both unexpected and significant for the future of HTS research.

"Interestingly, the superconducting sample with the highest critical temperature, about 39 Kelvin, showed no CDW signatures at all," Gedik said.

The consistent emergence of CDWs would have bolstered the conjecture that they play an essential role in high-temperature superconductivity. Instead, the new technique's successful detection of such electron waves in one sample but not in another (with even higher critical temperature) indicates that another mechanism must be driving the emergence of HTS.

"Results like this bring us closer to understanding the mystery of HTS, considered by many to be one of the greatest problems in physics today," Bozovic said. "The source of this extraordinary phenomenon is slowly but surely running out of places to hide."

###

Additional collaborators on this research include Darrius Torchinsky and Fahad Mahmood of the Massachusetts Institute of Technology, and Anthony Bollinger of Brookhaven National Lab.

The work was funded by the National Science Foundation and DOE's Office of Science.

DOE's Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit science.energy.gov.

One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers.

Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

Visit Brookhaven Lab's electronic newsroom for links, news archives, graphics, and more or follow Brookhaven Lab on Twitter.

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Public release date: 24-Feb-2013
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Contact: Justin Eure
jeure@bnl.gov
631-344-2347
DOE/Brookhaven National Laboratory

MIT and Brookhaven Lab physicists measure fleeting electron waves to uncover the elusive mechanism behind high-temperature superconductivity

UPTON, NY Identifying the mysterious mechanism underlying high-temperature superconductivity (HTS) remains one of the most important and tantalizing puzzles in physics. This remarkable phenomenon allows electric current to pass with perfect efficiency through materials chilled to subzero temperatures, and it may play an essential role in revolutionizing the entire electricity chain, from generation to transmission and grid-scale storage. Pinning down one of the possible explanations for HTSfleeting fluctuations called charge-density waves (CDWs)could help solve the mystery and pave the way for rapid technological advances.

Now, researchers at the Massachusetts Institute of Technology and the U.S. Department of Energy's Brookhaven National Laboratory have combined two state-of-the-art experimental techniques to study those electron waves with unprecedented precision in two-dimensional, custom-grown materials. The surprising results, published online February 24, 2013, in the journal Nature Materials, reveal that CDWs cannot be the root cause of the unparalleled power conveyance in HTS materials. In fact, CDW formation is an independent and likely competing instability.

"It has been difficult to determine whether or not dynamic or fluctuating CDWs even exist in HTS materials, much less identify their role," said Brookhaven Lab physicist and study coauthor Ivan Bozovic. "Do they compete with the HTS state, or are they perhaps the very essence of the phenomenon? That question has now been answered by targeted experimentation."

Custom-grown Superconductors

Electricity travels imperfectly through traditional metallic conductors, losing energy as heat due to a kind of atomic-scale friction. Impurities in these materials also cause electrons to scatter and stumble, but superconductors can overcome this hurdleassuming the synthesis process is precise.

For this experiment, Bozovic used a custom-built molecular beam epitaxy system at Brookhaven Lab to grow thin films of LaSrCuO, an HTS cuprate (copper-oxide) compound. The metallic cuprates, assembled one atomic layer at a time, are separated by insulating planes of lanthanum and strontium oxides, resulting in what's called a quasi-two-dimensional conductor. When cooled down to a low enough temperatureless than 100 degrees Kelvinstrange electron waves began to ripple through that 2D matrix. At even lower temperatures, these films became superconducting.

Electron Sea

"In quasi-two-dimensional metals, low temperatures frequently bring about interesting collective states called charge-density waves," Bozovic said. "They resemble waves rolling across the surface of a lake under a breeze, except that instead of water, here we actually have a sea of mobile electrons."

Once a CDW forms, the electron density loses uniformity as the ripples rise and fall. These waves can be described by familiar parameters: amplitude (height of the waves), wavelength (distance between waves), and phase (the wave's position on the material). Detecting CDWs typically requires high-intensity x-rays, such as those provided by synchrotron light sources like Brookhaven's NSLS and, soon, NSLS-II. And even then, the technique only works if the waves are essentially frozen upon formation. However, if CDWs actually fluctuate rapidly, they may escape detection by x-ray diffraction, which typically requires a long exposure time that blurs fast motion.

Measuring Rolling Waves

To catch CDWs in action, a research group at MIT led by physicist Nuh Gedik used an advanced ultrafast spectroscopy technique. Intense laser pulses called "pumps" cause excitations in the superconducting films, which are then probed by measuring the film reflectance with a second light pulsethis is called a pump-probe process. The second pulse is delayed by precise time intervals, and the series of measurements allow the lifetime of the excitation to be determined.

In a more sophisticated variant of the technique, largely pioneered by Gedik, the standard single pump beam is replaced by two beams hitting the surface from different sides simultaneously. This generates a standing wave of controlled wavelength in the film, but it disappears rapidly as the electrons relax back into their original state.

This technique was applied to the atomically perfect LaSrCuO films synthesized at Brookhaven Lab. In films with a critical temperature of 26 degrees Kelvin (the threshold beyond which the superconductivity breaks down), the researchers discovered two new short-lived excitationsboth caused by fluctuating CDWs.

Gedik's technique even allowed the researchers to record the lifetime of CDW fluctuationsjust 2 picoseconds (a millionth of a millionth of a second) under the coldest conditions and becoming briefer as the temperatures rose. These waves then vanished entirely at about 100 Kelvin, actually surviving at much higher temperatures than superconductivity.

Ruling out a Suspect

The researchers then hunted for those same signatures in cuprate films with slightly different chemical compositions and a greater density of mobile electrons. The results were both unexpected and significant for the future of HTS research.

"Interestingly, the superconducting sample with the highest critical temperature, about 39 Kelvin, showed no CDW signatures at all," Gedik said.

The consistent emergence of CDWs would have bolstered the conjecture that they play an essential role in high-temperature superconductivity. Instead, the new technique's successful detection of such electron waves in one sample but not in another (with even higher critical temperature) indicates that another mechanism must be driving the emergence of HTS.

"Results like this bring us closer to understanding the mystery of HTS, considered by many to be one of the greatest problems in physics today," Bozovic said. "The source of this extraordinary phenomenon is slowly but surely running out of places to hide."

###

Additional collaborators on this research include Darrius Torchinsky and Fahad Mahmood of the Massachusetts Institute of Technology, and Anthony Bollinger of Brookhaven National Lab.

The work was funded by the National Science Foundation and DOE's Office of Science.

DOE's Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit science.energy.gov.

One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers.

Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

Visit Brookhaven Lab's electronic newsroom for links, news archives, graphics, and more or follow Brookhaven Lab on Twitter.

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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Source: http://www.eurekalert.org/pub_releases/2013-02/dnl-lmn022213.php

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