Search Results for: Bears

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6,901 results

6,901 results for: Bears

  1. Oceans

    In the deep ocean, these bacteria play a key role in trapping carbon

    Mysterious nitrite-oxidizing bacteria capture more carbon than previously thought and may be the primary engine at the base of the deep ocean’s food web.

    By Carolyn Gramling
  2. Animals

    EPA OKs first living pest-control mosquito for use in United States

    Feds approve non-GM male tiger mosquitoes for sale as fake dads to suppress local pests.

    By Susan Milius
  3. Astronomy

    NASA wants your help naming New Horizons’ next destination

    NASA’s New Horizons mission team is asking the public to vote on a nickname for the spacecraft’s next destination.

    By Mike Denison
  4. Anthropology

    Crocs take a bite out of claims of ancient stone-tool use

    Reptiles with big bites complicate claims of Stone Age butchery.

    By Bruce Bower
  5. Science & Society

    Trauma surgeon studies gun violence stats — and was one

    Joseph Sakran is trying to help counter the U.S. epidemic of gun violence with data.

    By Aimee Cunningham
  6. Paleontology

    T. rex’s silly-looking arms were built for slashing

    Tyrannosaurus rex may have used its small arms for slashing prey.

    By Carolyn Gramling
  7. Earth

    Plate tectonics started at least 3.5 billion years ago

    Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.

    By Carolyn Gramling
  8. Earth

    Plate tectonics started at least 3.5 billion years ago

    Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.

    By Carolyn Gramling
  9. Life

    How horses lost their toes

    Fossils reveal that as horses evolved to have fewer toes, they also got stronger and faster.

    By Emily Underwood
  10. Environment

    The list of diseases linked to air pollution is growing

    Air pollution levels have come down since the 1970s, but smog is being linked with a growing list of diseases, including dementia, obesity, diabetes and even Parkinson’s.

    By Laura Beil
  11. Animals

    A lot of life on planet Earth is awful and incredible

    Acting Editor in Chief Elizabeth Quill discusses how the natural world feeds our sense of wonder.

    By Elizabeth Quill
  12. Genetics

    Tardigrades aren’t champion gene swappers after all

    Genetic studies reveal more secrets of the bizarre creatures known as tardigrades.

    By Tina Hesman Saey