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E.g., 03/04/2015
Your search has returned 265 articles:
  • 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
  • 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

    Scientists Say: Parthenogenesis

     Parthenogesis (noun, “PAR-then-oh-JEN-eh-sis”)This is a form of reproduction where an animal produces offspring from an egg that has not been fertilized. It is a type of asexual reproduction. This means two animals do not have to combine eggs and sperm to produce young. Parthenogesis can occur in arthropods such as spiders. It also can happen in amphibians, birds, fish and reptiles.In a sentence...
    09:00 AM, February 16, 2015
  • 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
  • 'Smart’ windows could save energy

    Sunlight streaming through a window can really heat up a room. In winter, when heating bills can soar, people tend to welcome that extra warmth. But in summer, that heat just boosts cooling costs. A homeowner could keep out some of that warming light by drawing the curtains or lowering the blinds. Or the window could change its transparency — blocking out some light, as needed — all by itself....
    07:00 AM, February 12, 2015 Light & Radiation, Technology & Engineering
  • Hellbenders need help!

    Many people call hellbenders “snot otters.” And for good reason.“When you touch one, it produces huge amounts of slime,” explains Emily McCallen. “It really does feel like snot.” McCallen is studying hellbenders as a graduate student in forestry and natural resources at Purdue University in West Lafayette, Ind.Hellbenders are not otters, though. They’re salamanders — and North America’s biggest...
    09:06 AM, February 6, 2015 Animals, Environment & Pollution
  • Resilient hearts for deep-sea divers

    Many of us struggle to hold our breath for a minute. It’s not unusual, however, for seals and other marine mammals to take hour-long plunges underwater — and swim pretty fast during that time. How do these deep-diving mammals pull it off? It’s not as straightforward as biologists had thought, a new study shows.Diving mammals have a few physiological tricks that help them stay underwater for much...
    07:00 AM, January 26, 2015 Animals
  • New germ fighter turns up in dirt

    A new drug for treating dangerous bacteria might be right underfoot. Really.Researchers found a compound in soil that acts as an antibiotic. That means it kills bacteria. The compound is called teixobactin (TIKES-so-BAK-tin). In the lab, it wiped out bacteria that cause dangerous infections in people. These included anthrax, tuberculosis (TB) and strep.Also important, the potential drug seems...
    13:00 PM, January 23, 2015 Body & Health
  • Intel STS 2015 Finalists

    The Intel Science Talent Search (Intel STS) is the nation's most prestigious pre-college science competition. Intel STS alumni have made extraordinary contributions to science and hold more than 100 of the world’s most coveted science and math honors, including the Nobel Prize and the National Medal of Science. Students are selected based upon their scientific research and also on their overall...
    11:48 AM, January 21, 2015

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