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  • Science Ticker

    Arsenic spurs adaptation in Argentinian villagers

    The groundwater in San Antonio de los Cobres in northwestern Argentina averages around 200 micrograms of arsenic per liter, 20 times the level deemed acceptable by the World Health Organization. A genetic analysis reveals that people from this region have different genes for the liver enzyme that breaks down arsenic than do people...
    03/05/2015 - 08:00 Health, Evolution
  • News

    Hepatitis E vaccine shows strong coverage

    A vaccine against hepatitis E shows potent, long-lasting protection against the virus. The finding from a huge study in China could clear the way for other countries to adopt the shots against hepatitis E, which is most commonly spread through tainted water.“I consider this to be extremely important for the field,” says Heiner Wedemeyer, a physician and hepatitis researcher at Hanover Medical...
    03/04/2015 - 17:00 Clinical Trials, Health, Biomedicine
  • Scicurious

    Report offers stimulating recommendation on coffee

    A new round of dietary do’s and don’ts accompanied last month’s scientific report on the latest food research, summarizing everything from aspartame to saturated fats. The report puts eggs back on the menu. High dietary cholesterol is no longer linked to blood...
    03/04/2015 - 15:13 Nutrition
  • News in Brief

    Dose of extra oxygen revs up cancer-fighting immune cells

    Boosting oxygen in the air helped mice with cancer battle lung and breast tumors.Normal air contains 21 percent oxygen. Raising oxygen concentrations to 60 percent energized immune cells to shrink tumors in mice, researchers report in the March 4 Science Translational Medicine. About 40 percent of cancer-...
    03/04/2015 - 14:00 Cancer, Immune Science, Biomedicine
  • News

    Ancient jaw may hold clues to origins of human genus

    Researchers have discovered what they regard as the oldest known fossil from the human genus, Homo. But questions about the evolutionary status of the approximately 2.8-million-year-old lower jaw have already emerged.Found in 2013 resting atop eroding soil in Ethiopia’s Ledi-Geraru research area, the fossil jaw contains several signature Homo features, including small and...
    03/04/2015 - 13:00 Human Evolution, Anthropology, Ancestry
  • Wild Things

    Insects may undermine trees’ ability to store carbon

    Trees are often promoted as an important tool for combating climate change. That’s because trees take in carbon dioxide from the air and lock it away in wood and soil for years. But trees may not be as great of carbon sinks as we thought, a...
    03/04/2015 - 11:08 Animals, Climate
  • Mystery Solved

    Why lattes are less prone to spills than regular coffee

    Carrying a cup of joe can prove dangerous: Just a small jostle can send hot liquid flying. A latte comes with considerably less risk. Thank the bubbles.Alban Sauret of the French scientific research center CNRS in Aubervilliers and colleagues report...
    03/04/2015 - 08:00 Physics
  • Science Ticker

    How pigeons bob and weave through obstacles

    View the videoTo dodge obstacles, pigeons have to know when to hold ‘em and when to fold ‘em. By altering their wing posture, the birds can successfully navigate tight spots, researchers report March 2 in the Proceedings of the National Academy of the Sciences.Harvard University researchers filmed and...
    03/03/2015 - 15:52 Animals, Biophysics
  • News in Brief

    Volcanic lightning forges tiny glass balls from airborne ash

    Lightning bolts that flash and clash high above erupting volcanoes can forge flying ash into glass, new research finds. The mechanism could explain the origins of odd microscopic glass beads found embedded in ash deposits, the researchers report online February 27 in Geology.A volcanic eruption can kick...
    03/03/2015 - 14:20 Earth, Climate
  • News in Brief

    Hundreds of galaxies seen in a new 3-D view of the universe

    The Hubble Space Telescope has some competition. A telescope in Chile has captured a three-dimensional view of a part of the sky previously imaged by Hubble. The image stretches across cosmic time, revealing modern day galaxies as well as ones seen as they existed when the universe was less than a billion years old. A single observation from a new high-tech camera on the telescope captured not...
    03/03/2015 - 13:06 Astronomy