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E.g., 12/01/2015
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  • News

    A good diet for you may be bad for me

    A cookie can give one person a sugar rush while barely affecting another person, a new study finds, indicating that a food’s glycemic index is in the eater.

    People’s blood sugar rises or falls differently even when they eat the exact same fruit, bread, deserts, pizza and many other foods, researchers in Israel report November 19...

    11/19/2015 - 12:00 Nutrition, Microbiology, Physiology
  • News

    Signs of cardiac disease start early in obese children

    ORLANDO, Fla. — Obese children as young as 8 years old may experience worrisome changes to their hearts, according to data presented November 10 at the American Heart Association’s annual scientific sessions.

    While the study was small, involving 20 obese...

    11/11/2015 - 16:05 Health
  • Wild Things

    Marsh grass masquerades as a native species

    If you visit a saltmarsh on the East or Gulf coasts of the United States, you’ll see mostly smooth cordgrass, Spartina alterniflora. This grassy species forms dense colonies along the shoreline and provides a home for an array of native wildlife.

    But in other parts of the world, such as Europe, China and the U.S. west coast, smooth cordgrass is an invasive species, and it can be...

    11/02/2015 - 09:13 Plants, Ecology
  • Wild Things

    Ecotourism could bring new dangers to animals

    Ecotourism seems like it should be a win-win. Visitors get to experience exciting, often exotic locales and see creatures in their natural habitats. The money raised through these visits goes to local communities and to preserving ecosystems.

    But what if nature tourism is hurting the very animals we want to protect?

    Benjamin Geffroy of the Federal University of Mato Grasso in...

    10/12/2015 - 07:00 Animals
  • Science Ticker

    Chemistry Nobel honors studies of DNA repair mechanisms

    Studies of DNA’s repair mechanisms have won Tomas Lindahl, Paul Modrich and Aziz Sancar the 2015 Nobel Prize in chemistry.

    DNA encodes the instructions for building and conducting life. But it’s a fragile molecule that can be altered or damaged by sunlight, toxic chemicals, radiation or even normal chemical reactions inside the cell.

    Lindahl, of the Francis Crick Institute in...

    10/07/2015 - 07:14 Genetics, Chemistry, Cancer
  • Feature

    Using general relativity to magnify the cosmos

    One of the most powerful known magnifying lenses isn’t found on Earth. The lens is built from stars, gas and dark matter and lies about 4 billion light-years away. As astronomers peer through it, they are finding the seeds of galaxies that were scattered around the universe more than 13 billion years ago.

    The lens is known as Abell 2744, a cosmic pileup where four groups of galaxies are...

    10/06/2015 - 12:38 Astronomy, Cosmology, Physics
  • Science Ticker

    Discovery of neutrino mass earns 2015 physics Nobel

    The discovery that subatomic particles called neutrinos have mass has won Takaaki Kajita of the University of Tokyo and Arthur McDonald of Queen’s University in Kingston, Canada, the 2015 Nobel Prize in physics. The scientists led two sophisticated experiments that found that the elusive particles can morph from one variety into another — a phenomenon that can occur only if neutrinos have mass...

    10/06/2015 - 06:41 Particle Physics, Cosmology
  • Feature

    Einstein's genius changed science's perception of gravity

    Albert Einstein opened humankind’s eyes to the universe.

    Before Einstein, space seemed featureless and changeless, as Isaac Newton had defined it two centuries earlier. And time, Newton declared, flowed at its own pace, oblivious to the clocks that measured it. But Einstein looked at space and time and saw a single dynamic stage — spacetime — on which matter and energy strutted,...

    10/04/2015 - 05:30 Astronomy, Physics, History of Science
  • Feature

    Gia Voeltz: Redrawing the cell's floor plan

    Gia Voeltz, 43
    University of Colorado Boulder | Cell biology
    Graduate school: Yale

    View the video

    Gia Voeltz...

    09/22/2015 - 10:49 Cells, Science & Society
  • Feature

    Feng Zhang: Editing DNA

    Feng Zhang, 33
    MIT | Synthetic Biology
    Graduate school: Stanford

    Like every other 12-year-old who saw the movie Jurassic Park, Feng Zhang was awestruck by the dinosaurs. He was even more amazed by the power...

    09/22/2015 - 10:46 Genetics, Science & Society