Search Results for: Bears

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6,686 results
  1. A photo of a brown bear walking through a field of green leaves and other plants with trees visible throughout.
    Animals

    Hibernating bears don’t get blood clots. Now scientists know why

    People who sit still for hours have an increased risk of blood clots, but hibernating bears and people with long-term immobility don’t. A key clotting protein appears to be the reason why.

    By Erin Garcia de Jesús
  2. A house in Indonesia
    Environment

    This house was built partly from recycled diapers

    Disposable diapers can replace nearly a third of the materials used in load-bearing structures, offering a potential path to more affordable housing.

    By Carolyn Gramling

  3. Readers discuss ‘ManBearPig’, uncombable hair and more

    By Science News Staff
  4. One polar bear stands and holds its paws up, while another walks along sea ice
    Animals

    Here’s how polar bears might get traction on snow

    Microstructures on the Arctic animals’ paws might offer extra friction that keeps them from slipping on snow, a new study reports.

    By Meghan Rosen

  5. The animal kingdom never ceases to amaze

    Editor in chief Nancy Shute revels in the wonder of animals, from psychedelic toads to extinct pterosaurs.

    By Nancy Shute
  6. A fossilized leaf of the extinct plant Gigantonoclea guizhouensis, with holes in pairs along the center
    Paleontology

    Insect bites in plant fossils reveal leaves could fold shut millions of years ago

    The 252-million-year-old fossil leaves have symmetrical holes, which suggest an insect bit through the leaves when they were folded.

    By Carolyn Gramling
  7. illustration of Pantolambda bathmodon
    Paleontology

    Living fast may have helped mammals like ‘ManBearPig’ dominate

    Staying in the womb for a while but being born ready to rock may have helped post-dinosaur mammals take over the planet.

    By Maria Temming
  8. A photo of white opaque balloon with a wire and small contraption just below rising into a blue sky.
    Tech

    50 years ago, a balloon circumnavigated the world for science

    A 1973 high-altitude flight kicked off an era of useful stratospheric balloon science. Some scientists worry that heightened concerns over alleged spy balloons might hamper that.

    By Carolyn Gramling
  9. A polar bear stands atop glacial mélange — a floating mishmash of icebergs, sea ice fragments and snow that exists year-round
    Ecosystems

    Some polar bears in Greenland survive on surprisingly little sea ice

    “Glacial mélange” could provide a last refuge for some bears as the Earth warms, but climate action is needed to preserve the species, researchers say.

    By Nikk Ogasa
  10. A close up of orange bacteria on a yellow background
    Microbes

    Ancient bacteria could persist beneath Mars’ surface

    Radiation-tolerant microbes might be able to survive beneath Mars’ surface for hundreds of millions of years, a new study suggests.

    By Sid Perkins
  11. A photo of a dead pelican laying on a beach in Lima, Peru while a flock of other birds fly in the background.
    Health & Medicine

    Bird flu can jump to mammals. Should we worry?

    Reports of bears and sea lions infected with H5N1 have sparked fears about the pandemic potential of bird flu. Experts are keeping a close eye on its spread.

    By Erin Garcia de Jesús
  12. A photo of a fossil with two dark brown pieces attached to the shell.
    Paleontology

    520-million-year-old animal fossils might not be animals after all

    Newly described fossils of Protomelission gatehousei suggest that the species, once thought to be the oldest example of bryozoans, is actually a type of colony-forming algae.

    By Sid Perkins