Science

  • 9:37am Feb 15, 2013
    Science Science

    Research Looks At Starchy Diet's Role In Dogs' Evolution

    Some dogs need to be on specialized diets for health reasons, but most eat just about anything. That wasn't always the case, however. The domestic dog's ancestor, the wolf, ate only meat. Research suggests for dogs to live with humans, they had to adapt to a starchy diet.
  • Perch exposed to the anxiety drug oxazepam were more daring and ate more quickly than fish that lived in drug-free water.
    Courtesy of Bent Christensen
    5:40pm Feb 14, 2013
    Science Science Health & Safety

    Traces Of Anxiety Drugs May Make Fish Act Funny

    Small amounts of the drugs that people take end up in wastewater and then in streams and rivers. It's usually not enough to harm the health of humans who swim in or drink the water. But there is growing evidence that pharmaceuticals in wastewater may affect wildlife.
  • The heart Paym Rajabi biked for his girlfriend, Clare
    Courtesy of Payam Rajabi
    1:47pm Feb 14, 2013
    Science Science

    Guy Pumps Out A Valentine — Literally

    Last year a guy in San Francisco jumped on a bicycle, clicked on his GPS, clicked on an app, snapped on his helmet, and 27 miles, 2 1/2 hours and many calories later, he'd etched a valentine message onto a street map of San Francisco. That was nice. Now, a year later, it's getting really interesting.
  • Capt. Art Gaeten holds a blue shark that was caught during a research trip in Nova Scotia. Scientists are studying the impact of swordfish fishing methods on the shark population.
    Dean Casavechia for NPR
    1:19pm Feb 13, 2013
    Science Science Environment

    Is Sustainable-Labeled Seafood Really Sustainable?

    Industry demand for the "sustainable seafood" label, issued by the Marine Stewardship Council, is increasing. But some environmentalists fear fisheries are being certified despite evidence showing that the fish population is in trouble — or when there's not enough information to know the impact on the oceans.
  • 1:03pm Feb 11, 2013
    Science Science

    Tracking Privacy and Ownership In An Online World

    Your phone knows where you are. Social networks know who your friends are, and what you ate last night. How much of your personal data is really yours to control? Khaliah Barnes of the Electronic Privacy Information Center helps sort out the politics and policies of privacy.
  • The team found one penguin chick that didn't make it.
    International Polar Foundation
    8:55pm Feb 08, 2013
    Science Science Environment

    Penguin Poop Leads Ice Researchers To Unknown Colony

    A team of researchers from the British Antarctic Survey stumbled upon some interesting satellite images in 2009: a trail of penguin poop that showed signs of a huge colony of emperor penguins. A team of researchers finally made it out to visit the 9,000-strong colony last December, marking the first human contact the animals had experienced.
  • 3:55pm Feb 08, 2013
    Science Science Health & Safety

    Science of Slumber: How Sleep Affects Your Memory

    We spend a lot of time sleeping (roughly one-third of our lives, according to the National Institutes of Health). But how much downtime do our brains really need? Experts discuss the links between sleep, memory and cognition, and why our sleep patterns change as we age.
  • 1:35pm Feb 08, 2013
    Science Science

    Researchers Point To The Demise of the Dinosaurs

    The idea that a comet or asteroid impact led to the downfall of the dinosaurs has been around for years. Now, Paul Renne and colleagues report in Science that they've narrowed down the timing of that collision. It's practically simultaneous with dinosaur extinction.