Search Results for: Bears

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6,732 results
  1. Earth

    The Great Salt Lake is shrinking. What can we do to stop it?

    A dropping lake level affects agriculture, public health and the environment — but water conservation can halt the decline.

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  2. Climate

    Greta Thunberg’s new book urges the world to take climate action now

    Greta Thunberg's ‘The Climate Book’ covers the basic science of climate change, the history of denialism and inaction, environmental justice and solutions.

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  3. Readers ask about sea level rise, the universe’s first stars and more

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  4. Genetics

    Black Death immunity came at a cost to modern-day health

    A genetic variant that boosts Crohn’s disease risk may have helped people survive the 14th century bubonic plague known as the Black Death.

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  5. Anthropology

    Ancient footprints suggest a mysterious hominid lived alongside Lucy’s kind

    A previously unknown hominid species may have left its marks in muddy ash about 3.66 million years ago in what is now East Africa.

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  6. Animals

    A new book asks: What makes humans call some animals pests?

    In an interview with Science News, science journalist Bethany Brookshire discusses her new book, Pests, and why humans vilify certain animals.

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  7. Readers discuss big bacteria, gravitational radar and more

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  8. Paleontology

    Vampire squid are gentle blobs. But this ancestor was a fierce hunter

    New fossil analyses of 164-million-year-old ancestors of today’s vampire squid show the ancient cephalopods had muscular bodies and powerful suckers.

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  9. Animals

    Polar bears sometimes bludgeon walruses to death with stones or ice

    Inuit reports of polar bears using tools to kill walruses were historically dismissed as stories, but new research suggests the behavior does occur.

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  10. Animals

    Whale sharks may be the world’s largest omnivores

    An analysis of the sharks’ skin shows that the animals eat and digest algae.

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  11. Paleontology

    Glowing spider fossils may exist thanks to tiny algae’s goo 

    Analyzing 22-million-year-old spider fossils from France revealed that they were covered in a tarry black substance that fluoresces.

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  12. Space

    What has Perseverance found in two years on Mars?

    NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.

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