Search Results for: Bears

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6,875 results

6,875 results for: Bears

  1. Animals

    That’s One Weird Tooth

    The narwhal's distinctive spiral tusk has structures that could make it phenomenally sensitive, raising new questions about its functions.

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  2. 30 Hours with Team Slime Mold

    A bunch of biologists volunteer for a mad weekend of biodiversity surveying to see what's been overlooked right outside Washington, D.C.

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  3. Chemistry

    How hot was it?

    Scientists have created heat-sensing polymers that indicate exposure to high temperatures by changing color under ultraviolet light.

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  4. Ecosystems

    Caviar Caveats

    Caviar may become harder to find as a new trade ban goes into effect that's aimed at giving the most prized sturgeon a much-needed break from overfishing for their roe.

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  5. Health & Medicine

    Blood, Iron, and Gray Hair

    Recent findings show that anemia is exceedingly common in elderly people and link the condition to severe health problems, including accelerated physical and mental decline and a shorter life span.

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  6. Tech

    Sensor measures mass of one DNA molecule

    A new biosensor that can detect the mass of a single DNA molecule could lead to faster and more accurate screening for HIV infection, cancer, and other diseases.

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  7. Planetary Science

    Renegade moon

    Saturn's outlier moon Phoebe didn't coalesce from material near the ringed planet but was captured from the distant Kuiper belt.

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  8. Concentrated Guidance: Attention training gives kids a cognitive push

    A brief course on how to pay attention boosts children's scores on either intelligence or attention tests, depending on their age.

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  9. Bitty Beasts of Burden: Algae can carry cargo

    Scientists have devised a way to make single-cell algae bear loads over distances of several centimeters, a tactic that could prove useful in tiny machines.

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  10. Planetary Science

    The Whole Enceladus

    Saturn's moon Enceladus has become the hottest new place to look for life in the chilly outer solar system.

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  11. Humans

    From the August 31, 1935, issue

    A turtle's trusty armor, a new growth stimulator, and the science of making cranberry jelly.

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  12. 19520

    Early in our history, U.S. citizens ate bushmeat. We hunted deer, bear, squirrel, rabbit, possum, turkey, pheasant, armadillo, and other wild game. We hunted because it was easier to hunt than to earn the money necessary to buy meat. We diminished our supply of wild game. Africans are simply doing what we used to do. […]

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