Search Results for: Bears

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6,891 results

6,891 results for: Bears

  1. Astronomy

    Five things we learned from last year’s Great American Eclipse

    A year after the total solar eclipse of 2017, scientists are still pondering the mysteries of the sun.

    By Lisa Grossman
  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. 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
  4. 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
  5. Ecosystems

    How mammoths competed with other animals and lost

    Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.

    By Alexandra Witze
  6. 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
  7. Earth

    Diamonds reveal sign of the deepest water known inside Earth

    A rare form of ice crystal in the gems could have formed only at the crushing pressures found in the mantle.

    By Carolyn Gramling
  8. Health & Medicine

    Malaysia is ground zero for the next malaria menace

    With deforestation in Malaysia, monkeys and humans are getting closer — and mosquitoes are infecting humans with malaria from monkeys.

    By Yao-Hua Law
  9. Life

    More than 2 billion people lack safe drinking water. That number will only grow.

    By 2050, half the world’s population may no longer have safe water to drink or grow food. What then?

    By Alexandra Witze
  10. Anthropology

    Ardi walked the walk 4.4 million years ago

    Ancient hominid evolved upright stance without sacrificing climbing ability.

    By Bruce Bower
  11. 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
  12. 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