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  1. Young scientists at the state of the union address

    Two winners of national science contests invited to attend Jan. 27 speech.

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  2. Health & Medicine

    Slumber by the numbers

    Fewer than 1 in 10 teens get ideal amount of sleep.

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  3. Health & Medicine

    Got milk? How?

    Scientists are tracking down the first people who squeezed this nutritious liquid out of animals thousands of years ago.

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  4. Environment

    A global warming flap

    Differences in butterfly and moth breeding patterns are linked to a changing climate.

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  5. Animals

    The nerve of one animal

    Cancer that's killing Tasmanian devils probably began in a single creature's nervous system.

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  6. Fossils

    Dino-bite!

    Study suggests dinosaur's teeth packed poison.

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  7. Tech

    A light delay

    New kind of trap can hold light for 1.5 seconds.

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  8. Environment

    Pollution at the ends of the Earth

    Chemicals are turning up in small Arctic villages far from factories and cities.

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  9. Environment

    Watching out for vultures

    Farmers giving medicine to cows are accidentally poisoning vultures, again.

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  10. Physics

    Small but WISE

    A new telescope will scan the entire sky and see (infra)red.

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  11. Health & Medicine

    Drugs and zzzzzz’s

    People who take the drug ecstasy are more likely to suffer from a sleeping disorder.

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  12. Physics

    Scientists explain mystery of triangular snowflakes

    A snowflake's fall helps determine its shape.

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