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  • Seals and sea lions likely spread tuberculosis to humans
    Scientists who study tuberculosis have long debated its origins. New research shows that tuberculosis likely spread from humans in Africa to seals and sea lions that brought the disease to South America and transmitted it to Native people there before Europeans landed on the continent.
  • Life can persist in cold, dark world: Life under Antarctic ice explored
    The first breakthrough article to come out of a massive U.S. expedition to one of Earth's final frontiers shows that there's life and an active ecosystem one-half mile below the surface of the West Antarctic Ice Sheet, specifically in a lake that hasn't seen sunlight or felt a breath of wind for mil...
  • Jurassic mammals were picky eaters, new study finds
    New analyses of tiny fossil mammals from Glamorgan, South Wales are shedding light on the function and diets of our earliest ancestors, a team reports. Mammals and their immediate ancestors from the Jurassic period (201-145 million years ago) developed new characteristics - such as better hearing an...
  • Enhanced communication key to successful teamwork in dynamic environments
    Organizations of all types are increasingly creating teams whose members have diverse professional backgrounds. While the allure of these cross-functional teams is their ability to use their diverse knowledge to solve complex problems, not all such teams are able to reach their full potential. New r...
  • Experts denounce clinical trials of unscientific, 'alternative' medicines
    Experts call for an end to clinical trials of 'highly implausible treatments' such as homeopathy and reiki. Over the last two decades, such complementary and alternative medicine treatments have been embraced in medical academia despite budget constraints and the fact that they rest on dubious scien...
  • Scientists learn more about rare skin cancer that killed Bob Marley
    Acral melanomas, the rare type of skin cancer that caused musician Bob Marley?s death, are genetically distinct from other types of skin cancer. Acral melanoma most often affects the palms of the hands, soles of the feet, nail-beds and other hairless parts of the skin. Unlike other more common types...
  • Newborn screening expansion offers early diagnosis and treatment to infants w...
    Data from 11 newborn screening programs showed that newborn screening for severe combined immunodeficiency (SCID) can be successfully implemented across public health newborn screening programs. SCID babies are born without a developed immune system and are subject to a wide variety of life-threaten...
  • Teen sleeplessness piles on risk for obesity
    Teenagers who don't get enough sleep may wake up to worse consequences than nodding off during chemistry class. According to new research, risk of being obese by age 21 was 20 percent higher among 16-year-olds who got less than six hours of sleep a night, compared with their peers who slumbered more...
  • Severe infections with hospitalization after prostate biopsy rising in Sweden
    Transrectal ultrasound guided biopsy is the gold standard for detecting prostate cancer, but international reports have suggested that the number of risks associated with the procedure is increasing. In a new nationwide population-based study, Swedish researchers found that six percent of men filled...
  • Sleepy college students stressed by jobs
    College students are typically more sleep deprived than the rest of us and often ignore the health benefits of adequate slumber, said a researcher who studies the topic. "Sleep is extremely important to overall health," one researcher said. "Poor sleep has short-term consequences on mood, concentrat...
  • Novel gene predicts both breast cancer relapse, response to chemotherapy
    Scientists have made it easier to predict both breast cancer relapses and responses to chemotherapy, through the identification of a unique gene. The newly found marker could help doctors classify each breast cancer patient and customize a treatment regimen that is more effective.
  • Gene therapy protects mice from lethal heart condition, researchers find
    A new gene therapy has been shown to protect mice from a life-threatening heart condition caused by muscular dystrophy. About one in 3,500 children, mostly boys, are born with Duchenne muscular dystrophy (DMD). They experience a progressive wasting away of muscles, starting in the legs and pelvis. C...
  • The power of salt: Power generation from where river water and seawater meet
    Where the river meets the sea, there is the potential to harness a significant amount of renewable energy, according to a team of mechanical engineers. The researchers evaluated an emerging method of power generation called pressure retarded osmosis (PRO), in which two streams of different salinity ...
  • Turning waste from rice, parsley and other foods into biodegradable plastic
    Your chairs, synthetic rugs and plastic bags could one day be made out of cocoa, rice and vegetable waste rather than petroleum, scientists are now reporting. The novel process they developed and their results could help the world deal with its agricultural and plastic waste problems.
  • Coronary arteries hold heart-regenerating cells
    Endothelial cells residing in the coronary arteries can function as cardiac stem cells to produce new heart muscle tissue, investigators have discovered. The heart has long been considered to be an organ without regenerative potential, said one expert. Recent findings, however, have demonstrated tha...
  • Treating pain by blocking the 'chili-pepper receptor'
    Biting into a chili pepper causes a burning spiciness that is irresistible to some, but intolerable to others. Scientists exploring the chili pepper's effect are using their findings to develop a new drug candidate for many kinds of pain, which can be caused by inflammation or other problems. They h...
  • Sunblock poses potential hazard to sea life
    The sweet and salty aroma of sunscreen and seawater signals a relaxing trip to the shore. But scientists are now reporting that the idyllic beach vacation comes with an environmental hitch. When certain sunblock ingredients wash off skin and into the sea, they can become toxic to some of the ocean's...
  • Record decline of ice sheets: Scientists map elevation changes of Greenlandic...
    Researchers have for the first time extensively mapped Greenland's and Antarctica's ice sheets with the help of the ESA satellite CryoSat-2 and have thus been able to prove that the ice crusts of both regions momentarily decline at an unprecedented rate. In total the ice sheets are losing around 500...
  • Diabetes calculator helps identify patients at risk of disease
    A new online tool will help doctors predict which patients are most likely to develop diabetes. Experts say it could offer a cost-effective way to identify people with diabetes, as it avoids the need for significant investment in screening.
  • Seeing a molecule breathe through scattering of light pulses
    For the first time, chemists have succeeded in measuring vibrational motion of a single molecule with a femtosecond time resolution. The study reveals how vibration of a single molecule differs from the behavior of larger molecular groups. Seeing a single organic bipyridylethylene (BPE) molecule vib...
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