Life

  1. Genetics

    Gene sleuths track down ivory sources

    DNA testing of a tusk's ivory can help identify where the elephant came from.

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  2. Brain

    Fair play

    Studying dogs, monkeys, and other animals at play can teach us about fairness and cooperation.

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  3. Fossils

    Hunting by sucking, long ago

    An ancient sea creature with a snakelike neck may have sucked up its prey.

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  4. Brain

    Nature May Nurture Paying Attention

    A green environment can help kids with attention disorders concentrate.

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  5. Animals

    superfast muscles for cooing doves

    To coo, a dove's muscles have to contract and relax amazingly quickly.

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  6. Animals

    Owls use dung to lure beetles

    A burrowing owl spreads dung around its nest to attract beetles.

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  7. Brain

    Reading problems show cultural differences

    The language you use may affect the type of reading problem you have.

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  8. Fossils

    Ferocious growth spurts

    Teenage tyrannosaurs packed on the pounds.

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  9. Brain

    Seeing Red and Blue and . . .

    Seeing lots of colors when you're young might determine how well you recognize hues later in life.

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  10. Animals

    The buzz about mosquitoes

    Learning more about mosquitoes can help us control the blood-sucking insects and prevent deadly diseases.

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  11. Animals

    Sleep lessons from sparrows

    During migration season, certain sparrows remain amazingly alert even when they haven't had much sleep.

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  12. Agriculture

    Growing healthier tomato plants

    How well tomatoes grow depends on how the plants are mulched and fertilized.

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