Search Results for: Bears

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6,734 results
  1. 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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  2. 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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  3. Anthropology

    North America’s oldest skull surgery dates to at least 3,000 years ago

    Bone regrowth suggests the man, who lived in what’s now Alabama, survived a procedure to treat brain swelling by scraping a hole out of his forehead.

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  4. Anthropology

    A surprising food may have been a staple of the real Paleo diet: rotten meat

    The realization that people have long eaten putrid foods has archaeologists rethinking what Neandertals and other ancient hominids ate.

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  5. Space

    Six months in space leads to a decade’s worth of long-term bone loss

    Even after a year of recovery in Earth’s gravity, astronauts who’d been in space six months or more still had bone loss equal to a decade of aging.

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  6. Health & Medicine

    How living in a pandemic distorts our sense of time

    The pandemic has distorted people’s perception of time. That could have implications for collective well-being.

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  7. Astronomy

    ‘Goldilocks’ stars may pose challenges for any nearby habitable planets

    Orange dwarfs emit far-ultraviolet light long after birth, stressing the atmospheres of potentially life-bearing worlds.

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  8. Animals

    Here are 7 incredible things we learned this year that animals can do

    From wielding weapons to walking on the underside of water, these are the creature capabilities that most impressed us in 2021.

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  9. Anthropology

    Famine and disease may have driven ancient Europeans’ lactose tolerance

    Dealing with food shortages and infections over thousands of years, not widespread milk consumption, may be how an ability to digest dairy evolved.

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  10. Earth

    Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

    The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.

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  11. Paleontology

    Pterosaurs may have had brightly colored feathers on their heads

    The fossil skull of a flying reptile hints that feathers originated about 100 million years earlier than scientists thought.

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  12. Paleontology

    Megatooth sharks may have been higher on the food chain than any ocean animal ever

    Some megalodons and their ancestors were the ultimate apex predators, outeating all known marine animals, researchers report.

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