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318 articles from MONDAY 25.6.2012
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MONDAY 25. JUNE, 2012
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23:57
Autism Research Hindered by Scarcity of Brain Samples
A freezer failure that destroyed brain samples from people with autism exposed what is emerging as a major obstacle to progress: the shortage of high-quality autopsied brains.
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23:56
Moon Sweeps Past Fading Mars in Monday's Night Sky
As darkness deepens on Monday evening (June 25), look about one-third of the sky up from the southwest horizon. There you'll see a fat crescent moon, and a moderately bright yellow-orange "star" hovering well above and to its left.
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23:56
Time is running out to get serious about fixing the problem of space debris, experts say.
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23:52In recent years, the focus in recreational running has been on finding a training method that will keep people from being sidelined by injuries.
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23:52
Archaeologists in Greece's second-largest city have uncovered a 70-meter (230-foot) section of an ancient road built by the Romans that was city's main travel artery nearly 2,000 years ago.
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23:47While psychopaths get all the press, the partially psychopathic, much more pervasive and elusive, present a bigger challenge. And even among scientists, a race for recognition can bring out the worst.
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23:41The percentage of people who abuse prescription pain drugs on a regular basis is on the rise, a new study says.
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23:23From 2002 to 2010, prescriptions for teenagers and children for allergy medications fell 61 percent, drugs for treating attention deficit/hyperactivity soared 46 percent, a study found.
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23:23
Chinese Crewed Sub Sets National Record
Jiaolong carries three-person team 7000 meters deep in the Pacific -
22:54
Eating garbage: Bacteria for bioremediation
A 150-foot-high garbage dump in Colombia, South America, may have new life as a public park. Researchers have demonstrated that bacteria found in the dump can be used to neutralize the contaminants in the soil.
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22:54Cholesterol-lowering statin drugs appear to be associated with reduced risk of recurrent cardiovascular events in men and women, but do not appear to be associated with reduced all-cause mortality or stroke in women, according to a new report.
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22:53Many depend on proton pump inhibitors to treat gastroesophageal reflux disease, but their side effects can include nutritional deficits and vulnerability to infections.
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22:52In a study of bariatric surgery patients, the prevalence of alcohol abuse increased from 7.6 percent before surgery to 9.6 percent after the operation.
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22:50Researchers found that each increase in 10 decibels of traffic noise exposure was associated with a 10 percent added risk of heart attack.
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22:48
It's 10 O'Clock; Do You Know Where Online Your Kids Are?
An old TV public service campaign used to ask: "It's 10 o'clock. Do you know where your children are?"These days, you may know where our children are physically, but even in the safety of their bedrooms they could be exposed to negative influences. Increasingly tech-savvy, they also may be concealing their online behavior from their parents.
Perception vs. Reality That's the warning from cyber-security company McAfee, whose 2012 Teen Internet Behavior study took a look at of the first U.S. generation to grow up entirely with the Internet.
Among the findings: 32 percent of teens have accessed pornography intentionally online and 43 percent of those access it on a weekly basis or more.
The market research group TRU conducted online interviews of 1,004 American teens 13-17 as well as 1,013 parents in May, finding a major gap between perception and reality. The study was funded by McAfee, which sells a security product to monitor children's activities online.
For instance, only 12 percent of parents believe their teens are looking at porn. While 73.5 percent of parents said they trust their teens to not access age-inappropriate content online, 43 percent of teens said they access simulated violence, 36 percent access sexual topics and 32 percent have accessed nude content or pornography.
The study also suggests that most parents believe ignorance is bliss: Two-thirds of teens surveyed say their parents don't need to know everything they do online, although half said they would change their behavior if they knew their activities were monitored.
"While it is not necessarily surprising that teens are engaging in the same types of rebellious behaviors online that they exhibit offline, it is surprising how disconnected their parents are," said Stanley Holditch, online safety expert for McAfee.
While half of parents said they had a good grasp on their teens' online behavior, and...
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22:45
Lonesome George, Last of His Kind, Dies in Galápagos
The centenarian reptile, perhaps best known for his reticence to mate, was the last giant tortoise of his kind.
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22:42Researchers have discovered the cervical cells targeted by HPV, raising new possibilities for preventing and treating cervical cancer.
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22:38
SpaceX Unleashes Raw Merlin Engine Power
Can you think of a better way to start the week than to watch a test firing of an awesome new rocket engine? No, I can't either. -
22:29Ice samples pulled from nearly a mile below the surface of Greenland glaciers have long served as a historical thermometer, adding temperature data to studies of the local conditions up to the Northern Hemisphere’s climate. But the method — comparing the ratio of oxygen isotopes buried as snow fell over millennia — may not be such a straightforward indicator of air temperature.
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22:29Young, healthy adult volunteers exposed for two hours to ozone developed physiological changes associated with cardiovascular ailments, according to a small study.
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22:29Hearing can be permanently damaged by loud summer noises such as fireworks, marching bands, construction and the like. An audiologist explains decibels for common sounds and offers tips and expertise to safeguard hearing.
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22:24
Biological switch paves way for improved biofuel production
(Phys.org) -- Scientists from Queen Mary, University of London have discovered a mechanism that controls the way that organisms breathe or photosynthesise, potentially paving the way for improved biofuel production. -
22:24The BP Deepwater Horizon oil spill temporarily worsened existing manmade problems in Louisiana's salt marshes such as erosion, but there may be cause for optimism, according to a new study.
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22:24In face of what has become a precipitous slide toward extinction across the Asian continent, the vultures of Cambodia have persisted, giving conservationists hope that these important scavengers can come back from the brink, according to authors from the Wildlife Conservation Society, the Royal Government of Cambodia, and other groups in a new study.
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22:24Turbulent jet streams, regions where winds blow faster than in other places, churn east and west across Saturn. Scientists have been trying to understand for years the mechanism that drives these wavy structures in Saturn's atmosphere and the source from which the jets derive their energy.
Naposledy aktualizované zdroje
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Guardian Unlimited Science (dnes, 09:00)
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CBC - Technology & Science News (dnes, 01:20)
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Technology Review Feed - Tech Review Top Stories (18. 5, 06:29)
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EurekAlert (18. 5, 06:00)
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BBC Science/Nature (18. 5, 03:27)
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NASA (17. 5, 02:56)
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TIME (27. 7, 08:30)
