Putin: Boston bombing shows West's mistake

MOSCOW (AP) ? The Boston bombings should spur stronger security cooperation between Moscow and Washington, Russian President Vladimir Putin said Thursday, adding that they also show that the West was wrong in supporting militants in Chechnya.

Putin said that "this tragedy should push us closer in fending off common threats, including terrorism, which is one of the biggest and most dangerous of them."

The two brothers accused of the Boston bombings are ethnic Chechens who had lived in the U.S. for more than a decade.

Putin warned against trying to find the roots for the Boston tragedy in the suffering endured by the Chechen people, particularly in mass deportations of Chechens to Siberia and Central Asia on Soviet dictator Josef Stalin's orders. "The cause isn't in their ethnicity or religion, it's in their extremist sentiments," he said.

Speaking in an annual call-in show on state television, Putin criticized the West for refusing to declare Chechen militants terrorists and for offering them political and financial assistance in the past.

"I always felt indignation when our Western partners and Western media were referring to terrorists who conducted brutal and bloody crimes on the territory of Russia as rebels," Putin said.

The U.S. has urged the Kremlin to seek a political settlement in Chechnya and criticized rights abuses by Russian troops during the two separatist wars since 1994, which spawned an Islamic insurgency that has engulfed the entire region.

It also provided humanitarian aid to the region during the high points of fighting there in the 1990s and the early 2000s.

Russian officials have repeatedly claimed that rebels in Chechnya have close links with al-Qaida. They say dozens of fighters from Arab countries trickled into the region during the fighting there, while some Chechen militants have gone to fight in Afghanistan.

Putin said the West should have cooperated more actively with Russia in combatting terror.

"We always have said that we shouldn't limit ourselves to declarations about terrorism being a common threat and engage in closer cooperation," he said. "Now these two criminals have proven the correctness of our thesis."

Source: http://news.yahoo.com/putin-boston-bombing-shows-wests-mistake-101701441.html

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Forced exercise may still protect against anxiety and stress

Apr. 25, 2013 ? Being forced to exercise may still help reduce anxiety and depression just as exercising voluntarily does, according to a new study by researchers at the University of Colorado Boulder.

Past studies have shown that people who exercise are more protected against stress-related disorders. And scientists know that the perception of control can benefit a person's mental health. But it has been an open question whether a person who feels forced to exercise, eliminating the perception of control, would still reap the anxiety-fighting benefits of the exercise.

People who may feel forced to exercise could include high school, college and professional athletes, members of the military or those who have been prescribed an exercise regimen by their doctors, said Benjamin Greenwood, an assistant research professor in CU-Boulder's Department of Integrative Physiology.

"If exercise is forced, will it still produce mental health benefits?" Greenwood asked. "It's obvious that forced exercise will still produce peripheral physiological benefits. But will it produce benefits to anxiety and depression?"

To seek an answer to the question Greenwood and his colleagues, including Monika Fleshner, a professor in the same department, designed a lab experiment using rats. During a six-week period, some rats remained sedentary, while others exercised by running on a wheel.

The rats that exercised were divided into two groups that ran a roughly equal amount of time. One group ran whenever it chose to, while the other group ran on mechanized wheels that rotated according to a predetermined schedule. For the study, the motorized wheels turned on at speeds and for periods of time that mimicked the average pattern of exercise chosen by the rats that voluntarily exercised.

After six weeks, the rats were exposed to a laboratory stressor before testing their anxiety levels the following day. The anxiety was quantified by measuring how long the rats froze, a phenomenon similar to a deer in the headlights, when they were put in an environment they had been conditioned to fear. The longer the freezing time, the greater the residual anxiety from being stressed the previous day. For comparison, some rats were also tested for anxiety without being stressed the day before.

"Regardless of whether the rats chose to run or were forced to run they were protected against stress and anxiety," said Greenwood, lead author of the study appearing in the European Journal of Neuroscience in February. The sedentary rats froze for longer periods of time than any of the active rats.

"The implications are that humans who perceive exercise as being forced -- perhaps including those who feel like they have to exercise for health reasons -- are maybe still going to get the benefits in terms of reducing anxiety and depression," he said.

Other CU-Boulder authors include Katie Spence, Danielle Crevling, Peter Clark and Wendy Craig. All the authors are members of Monika Fleshner's Stress Physiology Laboratory in the Department of Integrative Physiology.

The research was funded by the National Institutes of Mental Health and the Defense Advanced Research Projects Agency.

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The above story is reprinted from materials provided by University of Colorado at Boulder, via EurekAlert!, a service of AAAS.

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Journal Reference:

1. Benjamin N. Greenwood, Katie G. Spence, Danielle M. Crevling, Peter J. Clark, Wendy C. Craig, Monika Fleshner. Exercise-induced stress resistance is independent of exercise controllability and the medial prefrontal cortex. European Journal of Neuroscience, 2013; 37 (3): 469 DOI: 10.1111/ejn.12044

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/top_news/~3/t1WiQj6G-qk/130425160212.htm

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Quora Snags John Hegeman From Facebook To Lead Its Engineering Efforts

We've just gotten word that Facebook's Director of Engineering for Ads, John Hegeman, will be moving to Quora to lead the Quora engineering team. While I haven't received direct confirmation from either Quora or Hegeman on the hire, Hegeman has apparently confirmed the move on his (private) Facebook Timeline according to a tipster, writing:

Source: http://feedproxy.google.com/~r/Techcrunch/~3/M7uetRaiFf4/

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Four children die in S. Carolina mobile home fire

HARTSVILLE, S.C. (AP) ? Authorities say four children have been killed in a mobile home fire in the South Carolina city of Hartsville.

Darlington County Coroner Todd Hardee said twin 1-year-old girls and their brothers aged 3 and 4 were found dead in the home after the fire was put out Wednesday afternoon.

Hardee said autopsies have been scheduled for Thursday to determine the cause of death and their identities.

Sheriff Wayne Byrd said the mother was in the yard when firefighters arrived. He didn't elaborate.

The fire is under investigation by both the sheriff 's department and the State Law Enforcement Division. No charges have been filed and authorities were preparing to talk with the mother.

Hartsville is a city of some 8,000 people about 60 miles east of the state capital, Columbia.

Source: http://news.yahoo.com/official-4-children-killed-sc-mobile-home-fire-195420381.html

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Droid DNA clone HTC Deluxe coming to Cellcom

The HTC Deluxe shows up again, this time in Wisconsin

Cellcom, the regional carrier from Wisconsin, has unveiled their next marquee device -- the HTC Deluxe. It's basically the HTC Droid DNA repackaged for the small network, which means it's a pretty damn good piece of equipment. If you need a refresher, that means it has a quad-core Snapdragon Pro CPU, a 5-inch 1080p display, 2GB of RAM, and an LTE radio to keep the data flowing.

No word on when it will arrive, just that it's coming "soon" for $199 with a new contract or $570 if you buy it outright. If you're a Cellcom subscriber, this is definitely worth a second look. See the source link for more details.

Source: Cellcom. Thanks, Aaron!

Source: http://feedproxy.google.com/~r/androidcentral/~3/fK2q38KudJU/story01.htm

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Ice tubes in polar seas -- 'brinicles' or 'sea stalactites' -- provide clues to origin of life

Apr. 24, 2013 ? Life on Earth may have originated not in warm tropical seas, but with weird tubes of ice -- sometimes called "sea stalactites" -- that grow downward into cold seawater near Earth's poles, scientists are reporting. Their article on these "brinicles" appears in ACS' journal Langmuir.

Bruno Escribano and colleagues explain that scientists know surprisingly little about brinicles, which are hollow tubes of ice that can grow to several yards in length around streamers of cold seawater under pack ice. That's because brinicles are difficult to study. The scientists set out to gather more information on the topic with an analysis of the growth process of brinicles.

They are shown to be analogous to a "chemical garden," a standby demonstration in chemistry classes and children's chemistry sets, in which tubes grow upward from metal salts dropped into silicate solution. But brinicles grow downward from the bottom of the ice pack.

The analysis concluded that brinicles provide an environment that could well have fostered the emergence of life on Earth billions of years ago, and could have done so on other planets. "Beyond Earth, the brinicle formation mechanism may be important in the context of planets and moons with ice-covered oceans," the report states, citing in particular two moons of Jupiter named Ganymede and Callisto.

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Journal Reference:

1. Julyan Cartwright, Bruno Escribano, Diego L. Gonz?lez, Claro Ignacio Sainz-Diaz, idan tuval. Brinicles as a case of inverse chemical gardens. Langmuir, 2013; : 130403173604005 DOI: 10.1021/la4009703

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Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/strange_science/~3/DaSQJwKHSz4/130424112316.htm

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Battling with bugs to prevent antibiotic resistance

Apr. 23, 2013 ? New scientific research published today in the journal PLoS Biology shows that bacteria can evolve resistance more quickly when stronger antibiotics are used.

Researchers from the University of Exeter and Kiel University in Germany treated E. coli with different combinations of antibiotics in laboratory experiments.

Unexpectedly they found that the rate of evolution of antibiotic resistance speeds up when potent treatments are given because resistant bacterial cells flourish most during the most aggressive therapies.

This happens because too potent a treatment eliminates the non-resistant cells, creating a lack of competition that allows resistant bacteria to multiply quickly. Those cells go on to create copies of resistance genes that help them rapidly reduce the effectiveness of the drugs. In tests this effect could even cause E.coli to grow fastest in the most aggressive antibiotic treatments.

In addition to evolution experiments, the results of this Engineering and Physical Sciences Research Council (EPSRC) and Medical Research Council (MRC) funded research were confirmed using mathematical models and whole-genome sequencing of resistant and non-resistant E. coli.

Professor Robert Beardmore, EPSRC Research Fellow from the University of Exeter said: "We were surprised by how quickly the bacteria evolved resistance. We nearly stopped the experiments because we didn't think some of the treatments should be losing potency that fast, sometimes within a day. But we now know that the bacteria remaining after the initial treatment have duplicated specific areas of their genome containing large numbers of resistance genes. These gene copies appear more quickly when the antibiotics are combined, resulting in the rapid evolution of very resistant bacteria.

"Designing new treatments to prevent antibiotic resistance is not easy, as this research shows, and governments may need to increase their funding for antibiotics research if scientists are to be able to keep pace with the rapid evolution of bacterial pathogens that cause disease."

Dr Rafael Pena-Miller from Biosciences at the University of Exeter said: "The evidence that combining antibiotics to make a more potent therapy can lead to the creation of more copies of the genes the bacteria needs to be resistant is of real concern."

Professor Hinrich Schulenberg from Kiel University in Germany said: "The interesting thing is that the bacteria don't just make copies of the genes they need. Just in case, they copy other genes as well, increasing resistance to antibiotics the cells weren't even treated with."

About 440 000 new cases of drug-resistant tuberculosis emerge annually, causing around 150 000 deaths. Statistics like this recently lead the Department of Health to state that antibiotic resistance poses one of the greatest threats to human health.

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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/genes/~3/zprA_T5Qf9w/130423172704.htm

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