Search Results for: Bears

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6,773 results

6,773 results for: Bears

  1. Genetics

    Ancient DNA tells of two origins for dogs

    Genetic analysis of an ancient Irish mutt reveals complicated history of dog domestication.

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  2. Tech

    For robots, artificial intelligence gets physical

    Physical intelligence makes robots able to sense of the world around them.

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  3. Archaeology

    Babylonians used geometry to track Jupiter’s movements

    Babylonians took a geometric leap to track Jupiter’s movements long before European astronomers did.

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  4. Earth

    Pioneering geologist sought to demystify volcanic eruptions

    In The Last Volcano, a geologist profiles Thomas Jaggar, one of the 20th century’s most influential volcanologists.

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  5. Anthropology

    Hobbits died out earlier than thought

    Tiny Indonesian hominids disappeared earlier than thought, around 50,000 years ago.

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  6. Paleontology

    Fossil worm adds head to its spiny appearance

    Hallucigenia sparsa gives hints to how some animals ended up with teeth in their guts and platelike pieces around their mouths.

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  7. Humans

    Animal hybrids may hold clues to Neandertal-human interbreeding

    The physical effects of interbreeding among animals may offer clues to Neandertals’ genetic mark on humans.

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  8. Neuroscience

    Itch-busting nerve cells could block urge to scratch

    A group of nerve cells in the spinal cord keep mechanical itch in check.

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  9. Animals

    Why we need predators

    It might be easy to say that we should wipe out species that can kill us. But the effects of such action would be far ranging.

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  10. Anthropology

    Ancient hominids used wooden spears to fend off big cats

    Saber-toothed cat remains suggest ancient hominids used wooden spears as defensive weapons.

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  11. Archaeology

    Ancient stone tools raise tantalizing questions over who colonized Sulawesi

    Hominids reached an island not far from hobbits’ home by around 200,000 years ago.

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  12. Astronomy

    Big exoplanet may be surrounded by helium

    Warm Neptune-sized exoplanet might have atmospheres filled with helium.

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