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  1. Chemistry

    The memory of a material

    A popular polymer can remember what shape it was in.

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  2. Animals

    Half rooster, half hen

    Study of special chickens suggests new thinking on hormones and gender.

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  3. Environment

    When frog gender flips

    With weed killer in the water, some males acquire female traits.

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  4. Earth

    Earthquake shortens the day

    The recent South American quake sent Earth spinning just a big faster.

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  5. Health & Medicine

    What the appendix is good for

    Some body parts seem pointless but in fact have purpose.

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  6. Chemistry

    Heaviest named element is official

    Superheavy copernicium takes its place in the Periodic Table.

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  7. Humans

    Writing on eggshells

    Etchings on artifacts suggest that really ancient people used symbols.

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  8. Animals

    Whales may round up squid for dinner

    Tracking sperm whale movements suggests groups herd to hunt.

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  9. Tech

    Charged cars that would charge

    Electric vehicles could give power to the grid.

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  10. Health & Medicine

    Making light of sleep

    Teens are prone to sleep problems, but a little sunshine could help.

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  11. Fossils

    Message in a dinosaur’s teeth

    Giant dino that was T. rex rival may have spent most of its time in the water.

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  12. Physics

    The hottest soup in New York

    A quark-gluon plasma reaches the highest temperature ever measured in a lab.

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