Science

  • Posting a picture like this on the fridge might seem like good motivation for weight loss. But scientists say it might instead inspire weight gain.
    iStockphoto.com
    11:16am Jan 02, 2013
    Science Science Health & Safety

    Can Skinny Models Undermine Your Dieting Goals?

    Many people turn to superfit models for weight-loss inspiration. There's growing evidence that this is a mistake. New research from the Netherlands explores whether repeated exposure to images of skinny models helps or hinders dieters.
  • The expiration date on foods like orange juice and even milk aren't indicators of when those products will go bad.
    iStockphoto.com
    8:57am Jan 02, 2013
    Science Science Arts

    Don't Fear That Expired Food

    When food passes its sell-by date, it's swept from the supermarket shelf. But that doesn't mean it's not safe to eat. Taste and smell are usually better indicators of a food's safety. And some items, like canned foods, can even last years or decades after their expiration date.
  • Scientists at the Large Hadron Collider announced the discovery of the Higgs boson on July 4, the long-sought building block of the universe. This image shows a computer-simulation of data from the collider.
    Barcroft Media/Landov
    9:44am Jan 01, 2013
    Science Science

    The Year Of The Higgs, And Other Tiny Advances In Science

    The discovery of the Higgs boson will likely be hailed as the most important scientific discovery of 2012. But many ideas that change the world don't tend to spring from flashy moments of discovery. Our view of nature — and our technology — often evolve from a sequence of more subtle advances.
  • Researchers at the U.S. Geological Survey National Wildlife Health Center in Madison, Wis., use eggs to see if the Asian strain of the H5N1 bird flu virus has entered the U.S. in this photo from 2006.
    Andy Manis/AP
    5:46am Dec 31, 2012
    Science Science Health & Safety

    Research Moratoriums And Recipes For Superbugs: Bird Flu In 2012

    When scientists figured out how to make the deadly H5N1 virus more contagious, a debate ignited about whether to publish the research and do more experiments. Over the past year, scientists published the contentious work, but they still can't agree on the field's future.
  • 1:03pm Dec 28, 2012
    Science Science Books

    The Renaissance Man Who Got It All Wrong

    In A Man of Misconceptions: The Life of an Eccentric in an Age of Change, John Glassie writes of 17th-century Jesuit priest and scientist Athanasius Kircher, a renaissance man who studied magnetism, Mount Vesuvius, even the blood of plague victims. The only problem? His theories were often wrong.
  • 1:03pm Dec 28, 2012
    Science Science Health & Safety

    'Consider the Fork' Chronicles Evolution of Eating

    Did you know that the human overbite may have evolved after people began using forks and knives? In Consider the Fork, author Bee Wilson traces how kitchen tools--from knives to pots to gas stoves--have changed over time, and how they have influenced what, and how, we eat.
  • 1:03pm Dec 28, 2012
    National National Science Health & Safety

    Making Resolutions That Stick

    Vowing to stop smoking, curb spending or exercise more this January 1? Nearly half of U.S. adults will make year-end resolutions to change for the better in the coming year. Clinical psychologist John Norcross talks about how to increase the odds of success.
  • Rain clouds move over the remnants of parched cornstalks on Aug. 22 near Wiley, Colo. A summer storm came too late to help farmers whose crops were decimated in the wide zone of exceptional drought in Colorado's eastern plains.
    John Moore / Getty Images
    9:40pm Dec 27, 2012
    National National Science Environment

    An Abundance Of Extreme Weather Has Many On Edge

    It was the warmest year on record and brought a series of extreme weather events, from wildfires and floods to drought and a devastating derecho. Polls show a big jump this year in the number of people connecting such disasters with climate change.
  • Brain scans using Amyvid dye to highlight beta-amyloid plaques in the brain. Clockwise from top left: a cognitively normal subject; an amyloid-positive patient with Alzheimer's disease; a patient with mild cognitive impairment who progressed to dementia d
    Slide courtesy of the journal Neurology
    7:24pm Dec 26, 2012
    Science Science Health & Safety

    Despite Uneven Results, Alzheimer's Research Suggests A Path For Treatment

    The year saw some disappointments in the development of drugs to treat Alzheimer's. But the setbacks were offset by progress in other areas. The upshot from this year's mixed results, some scientists say, is that treatment for Alzheimer's needs to start long before forgetfulness and muddled thinking are apparent.
  • 11:36am Dec 26, 2012
    Science Science Environment

    Birding for the Holidays

    The Audubon's 113th Christmas Bird Count is underway, and thousands of volunteers are taking part this year. Ornithologist David Bonter, and Gary Langham, Audubon's chief scientist, share tips on which species to look out for, and how even birding beginners can get involved.
  • 11:36am Dec 26, 2012
    Science Science Books

    The SciFri Book Club Tours 'The Planets'

    The SciFri Book Club is touring the solar system, with Dava Sobel's 2005 The Planets. Call in with a review of the book. Plus Jim Green, director of planetary science at NASA, joins the club to give an update on what's happened planet-wise since the book was published.
  • 11:36am Dec 26, 2012
    Science Science Health & Safety

    Stem Cells Treat Lou Gehrig's Disease, In Mice

    Reporting in Science Translational Medicine, researchers write that neural stem cell implants were able to slow the onset of amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease, in mice. Study author Evan Snyder discusses the stem cells' protective effect, and why human trials may not be far behind.