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E.g., 09/03/2015
E.g., 09/03/2015
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  • News

    Same math describes relationship between diverse predators and prey

    On land or sea, when the zebras, gazelles or even plankton fruitfully multiply, their predators’ abundance doesn’t increase quite as much, a new analysis proposes.

    This predator-prey relationship— predators increasing at a particular rate that’s less than that of their prey — turned up in studies of the total mass...

    09/03/2015 - 14:23 Animals
  • News

    How farm life can prevent allergies

    Preventing many allergies could be as simple as taking a breath — of farm dust.

    Dust from dairy farms switches on an anti-inflammatory enzyme in the lung cells of mice, researchers report in the Sept. 4 Science. The enzyme keeps the immune system from overreacting to common allergens, such as house dust mites, the team...

    09/03/2015 - 14:00 Health, Immune Science
  • 50 Years Ago

    Two stars were once considered coldest known

    Coolest stars found  The coolest stars yet have been discovered. One is reported to have a surface temperature as low as 800° F.... The other of the two cool stars has a surface temperature of about 1,200°. Both objects are...

    09/03/2015 - 10:00 Astronomy
  • Experiences

    Go to Green Bank to listen to the stars

    Long before we reached Green Bank, W.Va., the gleaming white dish of a massive radio telescope stood out against the lush green vegetation of a remote valley four hours southwest of Washington, D.C. By then, the car radio received only static, and our cellphones hadn’t gotten a signal in hours. To get even closer to the Robert C. Byrd Green Bank Telescope — the world’s largest movable land...

    09/03/2015 - 06:00 Astronomy
  • Culture Beaker

    Why enforced ‘service with a smile’ should be banned

    When you stumble into Starbucks for your morning coffee and are greeted by a super cheery barista inquiring about your day and your life in general, do you ever want to smack that smile off her face?

    Well, pity the barista. In recent years the “service with a smile”...

    09/02/2015 - 15:00 Science & Society, Psychology
  • News

    Ancient pottery maps route to South Pacific

    Ceramic shards unearthed in highland New Guinea more than 40 years ago have now been pegged as the oldest known pottery on the island, by a lot. That discovery offers a first glimpse of encounters between island residents and seafarers that influenced the rise of modern South Pacific societies.

    Eleven of 20 pottery pieces excavated in 1972 and 1973 at Wañelek, a site in New Guinea’s...

    09/02/2015 - 14:00 Anthropology, Archaeology
  • News

    Unhelpful adaptations can speed up evolution

    When organisms enter a new environment, they’re bound to make some missteps. A new study suggests those initial flubs may speed up evolution.

    Trinidadian guppies transplanted from predator-infested waters to streams devoid of predators responded by changing activity of some genes in the brain. Although some changes were helpful, most were disadvantageous. But genes that got off on the...

    09/02/2015 - 13:13 Evolution
  • Reviews & Previews

    Microbes make the meal, new diet book proposes

    The Diet Myth
    Tim Spector
    Overlook Press, $28.95

    For 10 days, Tom Spector lived off McDonald’s. He had chicken nuggets or Big Macs for meals and McFlurries for dessert. Tom, a 22-year-old...

    09/02/2015 - 11:00 Health, Nutrition
  • Science Ticker

    New dolphin fossil makes a splash

    Six million years ago, a relative of modern river dolphins once frolicked along Panama's Carribbean shores, researchers report September 1 in PeerJ. Unearthed in 2011, the fossilized skull, teeth and jaw bones belong to a novel dolphin species (Isthminia panamensis). 

    Researchers originally rescued the fragile specimen from...

    09/02/2015 - 06:00 Paleontology, Animals, Evolution
  • News

    Nanogenerators harvest body’s energy to power devices

    Ask not what your gadgets can do for you; ask what you can do for your gadgets.

    In the race to create bionic humans, researchers are nanometers away from turning people into device chargers. Instruments called nanogenerators can harvest energy from swinging limbs, jiggling skin and ballooning lungs. And that energy can power wearable and implantable gizmos, such as pacemakers, muscle...

    09/01/2015 - 16:29 Materials, Biomedicine, Physics