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Showing posts from December 7, 2016

Don't Drowse and Drive: Sleepiness as Risky as DUI

Even with holiday travel approaching, it's important to get enough sleep before getting behind the wheel: Missing 1 or 2 hours of sleep nearly doubles a person's risk for a car crash, a new report finds. And missing 2 to 3 hours of sleep more than quadruples the risk for a crash, according to the new report, published today (Dec. 6) from the AAA Foundation for Traffic Safety. "Our new research shows that a driver who has slept for less than 5 hours has a crash risk comparable to someone driving drunk," David Yang, the executive director of the AAA Foundation for Traffic Safety, said in a statement.


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Golden Years: Americans Get Happier in Older Age

There is an upside to aging: Older Americans tend to be happier, according to a new poll. In the poll, from Gallup-Healthways, older adults in the United States scored higher on a survey of well-being than did their younger counterparts. On average, adults ages 55 and older scored 63.6 out of 100 on the Gallup-Healthways Well-Being Index in 2015, which is 3 points higher than the average score of adults younger than 55, Gallup-Healthways said.


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Pubic Hair Grooming May Raise STI Risk

People who are sexually active and who regularly groom their pubic hair may be more likely to contract sexually transmitted infections than those who don't groom their pubic hair at all, according to a new study. People in the study who regularly groomed their pubic hair were 80 percent more likely to report contracting a sexually transmitted infection (STI) than those who never groomed their pubic hair, the researchers found. The study shows a link between grooming pubic hair and the increased risk of contracting sexually transmitted infections, but it does not prove that grooming one's pubic hair directly causes a person's risk of such infections to increase, said lead study author Dr. E. Charles Osterberg, an assistant professor of surgery at the University of Texas.


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MDMA for PTSD? How Ecstasy Ingredient Works in the Brain

The active ingredient in the drug ecstasy is set to be studied in large-scale clinical trials as a treatment for people with post-traumatic stress disorder, the New York Times reported on Nov. 29. The ingredient, MDMA, has been shown to be effective in treating people with PTSD in smaller studies, which were sponsored by the Multidisciplinary Association for Psychedelic Studies (MAPS), a nonprofit organization that advocates for medical research on psychedelic substances. But how does MDMA (3,4-methylenedioxy-N-methylamphetamine) work in the brain?


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This Tiny Electronic Chip Is Just 3 Atoms Thick

These materials could be used to develop electronic displays on windows or windshields, along with powerful microchips in which circuitry spreads not just two-dimensionally but also rises three-dimensionally, the researchers said. For instance, sheets of graphene — a material related to the "lead" in pencils — are each just one carbon atom thick. Graphene is an excellent conductor of electricity, making it ideal for use in wiring.


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Jumping Robots Mimic Adorable Big-Eyed Primates

Despite being just 10 inches (26 centimeters) tall and weighing only 0.2 pounds (100 grams), the one-legged robot, named Salto, can leap up more than 3.2 feet (1 meter) high from a standing position. Salto is not the highest-jumping robot out there — some bots can jump to heights of more than 10 feet (3 meters), but those bots have to wind up for several minutes before they leap, whereas Salto can jump again almost immediately, the researchers said. Salto is also able to climb at a rate of 5.7 feet per second (1.75 meters per second) compared to the 3.7 feet per second (1.12 m/s) achieved by the next-best robot, the researchers said.


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Black Death 'Plague Pit' with 48 Skeletons Is 'Extremely Rare' Find

A 14th-century mass burial pit full of victims of the Black Death has been discovered at the site of a medieval monastery hospital, according to archaeologists. Researchers uncovered 48 skeletons — 27 of which were children — at an "extremely rare" Black Death burial site in Lincolnshire, in the United Kingdom, they said. The presence of such a large burial site suggests that the community was overwhelmed by the number of victims of the Black Death, said lead archaeologist Hugh Willmott, a senior lecturer in European historical archaeology at the University of Sheffield.


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Musk's SpaceX says rockets to remain grounded until January

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) – - Elon Musk's SpaceX has been forced to delay the return of its rockets to flight until January as an investigation continues into a launch pad explosion earlier this year, the tech billionaire' s company said on Wednesday. The company had hoped to launch a Falcon 9 rocket on Dec. 16 to put 10 satellites into orbit for Iridium Communications Inc., but did not receive a required license to fly from the Federal Aviation Administration, which oversees U.S. commercial space transportation. ...


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Science Museum, London Acquires British Astronaut's Soyuz for Display

The spacecraft that returned Britain's first professional astronaut to Earth in June will land on display in London next year. Russia's Soyuz TMA-19M descent module, which touched down from the International Space Station with European Space Agency (ESA) astronaut and Expedition 46/47 flight engineer Tim Peake, will go on exhibit at the Science Museum, London in early 2017.


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