Search Results for: Bears

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6,775 results

6,775 results for: Bears

  1. Tech

    Tar sands ‘fingerprint’ seen in rivers and snow

    A new study refutes a government claim (one echoed by industry) that the gonzo-scale extraction of tar sands in western Canada — and their processing into crude oil — does not substantially pollute the environment.

    By Janet Raloff
  2. Chemistry

    Yeast bred to bear artificial vanilla

    Researchers have co-opted fungi to produce the flavor more efficiently.

    By Rachel Ehrenberg
  3. Life

    Fecal architecture is beetle armor

    Predators have a hard time getting through the layers of excrement some beetle moms give their young.

    By Susan Milius
  4. Humans

    Graffiti on the walls in Pompeii

    News from the Archaeological Institute of America's annual meeting in Anaheim, Calif.

    By Bruce Bower
  5. Animals

    Climate change may favor couch-potato elk

    With drought and rising temperatures in Wyoming, migratory animals suffer while stay-at-home members of the same herd thrive

    By Susan Milius
  6. Earth

    Possible snake shortage looms

    Declines among species in Europe and Africa raise herpetologists’ worries of widespread population losses.

    By Susan Milius
  7. Health & Medicine

    For most centenarians, longevity is written in the DNA

    A study of people who live past 100 reveals many genetic paths to a long life.

    By Tina Hesman Saey
  8. Anthropology

    Contested evidence pushes Ardi out of the woods

    A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.

    By Bruce Bower
  9. Space

    Jupiter takes yet another hit

    For the third time in 16 years, astronomers have documented a collision between Jupiter and a nearby body.

    By Ron Cowen

  10. V is for Venus Flytrap: A Plant Alphabet by Eugene Gagliano

    V is for Venus Flytrap: A Plant Alphabet by Eugene Gagliano Young readers can explore the botanical world by browsing a plant type, feature or characteristic for each letter of the alphabet. Sleeping Bear Press, 2009, 40 p., $17.95. V IS FOR VENUS FLYTRAP: A PLANT ALPHABET BY EUGENE GAGLIANO

    By Science News

  11. Liquid Acquisition

    Two new scenarios ramp up debate over how Earth got its water.

    By Ron Cowen
  12. Archaeology

    Lucy’s kind used stone tools to butcher animals

    Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.

    By Bruce Bower