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E.g., 03/29/2015
E.g., 03/29/2015
Your search has returned 290 articles:
  • Silencing genes — to understand them

    The DNA in each of us hosts about 21,000 genes. Their blueprints are coded in the roughly 3 billion rungs of our DNA’s ladder-like structure. The Human Genome Project finished decoding all of those genes in 2003. That task took hundreds of scientists more than 12 years.Scientists are now working fast and furiously to learn what each identified gene does. Their answers will help science better...
    07:15 AM, March 27, 2015 Body & Health
  • Eureka! Lab

    Teen helps plants fight off pests

    WASHINGTON, D.C. – Farming is a risky business. Every year, farmers lose some of their crops to chewing insects, invading fungi or hungry worms. Plants often are helpless to fight back. And if the crops die, it’s a big loss for the farmer and for the people who want healthy, affordable foods. Now, a teen has studied ways to use an invading worm’s own weapons against it, giving crops a chance to...
    08:00 AM, March 24, 2015
  • News Brief: Rabbit-hunting pythons are altering Everglades

    Even breeding like bunnies can’t save some mammals in Florida's Everglades National Park from the invading Burmese pythons.When summer heats up, these snakes become more active. And in a new study, they started eating marsh rabbits in alarming numbers. Each week, the snakes there were gobbling up to one in every five bunnies in some test areas, scientists now report. Over the long term, losing...
    13:00 PM, March 20, 2015 Animals
  • Eureka! Lab

    Finding out why birds are out of range

    WASHINGTON, D.C. — Snowy owls are majestic predators, associated with ice and snow (and of course, Harry Potter). People in the United States normally do not see them in the winter, however. Snowy owls usually spend their winters farther north. But in 2012, many of these birds wintered at U.S. sites from Boston to Oregon. They weren’t alone. Smaller birds such as red crossbills and evening...
    08:00 AM, March 18, 2015
  • The social lives of whales

    TERCEIRA ISLAND in Portugal’s Azores  — The Usual Suspects are at it again. From the small Zodiac, I can see them coming towards us. Their gray dorsal fins slice through the water just off the coast of Terceira, an island in the middle of the Atlantic Ocean.Fleur Visser, a Dutch biologist, can see them, too. She angles the small, inflatable speedboat towards the fins. This group of dolphins...
    07:15 AM, March 13, 2015 Animals
  • Where an ant goes when it's gotta go

    Most of us think ants are unsanitary. It certainly seems that way when they’ve invaded our homes, tromping through our food and carrying bits of it away. But scientists have spotted behaviors that show ants can be cleaner than you might think. Some species, for instance, form “kitchen middens” outside their nests. Those spots are where they dump their wastes, including fecal material. And one...
    07:00 AM, March 9, 2015 Animals
  • Mice can teach us about human disease

    Zorana Berberovic gently lifts a small black mouse by its tail. As its hind legs rise up off the floor of its cage, the research technician slips a tiny vial under the mouse’s bottom. Berberovic lightly strokes her gloved finger against its belly. Within seconds, she is rewarded. A dribble of pee enters the vial."They have small bladders so there's not much," Berberovic says. Luckily, she adds, "...
    07:01 AM, February 27, 2015 Body & Health, Genetics
  • Cats and foxes are eating up Australia’s mammals

    People first settled Australia some 40,000 to 50,000 years ago. Then, in 1788, England established a colony there. These European settlers spread widely. In time, they created the nation of Australia. The European immigration also led to a little-noticed wave in extinctions of Australian mammals. That’s the finding of a new study. One main cause of those extinctions appears to be the introduction...
    07:00 AM, February 24, 2015 Animals, Environment & Pollution
  • When a part makes you whole

    SAN JOSE, Calif. — A creative combination of technologies is offering hope to people disfigured by an accident, disease or birth defect. The end result is an artificial body part that is startlingly lifelike. The anatomical add-on can do more than provide a patient with a more natural-looking appearance. It also can restore a person’s self-esteem and confidence.Many injuries or diseases can...
    12:00 PM, February 16, 2015 Body & Health, Technology & Engineering
  • Eureka! Lab

    These drones are for the birds

    Could flying drones near birds make them flighty? To find out, a group of researchers has just flown a robot at hundreds of birds. To their great surprise, those drones usually don’t ruffle a bird’s feathers at all.The results show that drones could help scientists get a close up view of birds — without ever setting foot near their nests.Drones— aircraft that carry no pilots — are more than the...
    08:00 AM, February 13, 2015

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