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  1. Brain

    Charging up the brain for reading

    Some kids can become better readers if they learn how written letters match up with speech sounds.

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  2. Ecosystems

    Frogs get poison from ants

    The skin of some frogs becomes poisonous after they eat certain kinds of ants.

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  3. Environment

    Alien invasions

    Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.

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  4. Health & Medicine

    Workouts: Does Stretching Help?

    Stretching before exercise or sports may not improve performance or reduce the chance of injury.

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  5. Humans

    Traces of Ancient Campfires

    Researchers have unearthed traces of what may be among the oldest human-controlled fires.

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  6. Animals

    Noisy boats may bother orcas

    Whale watcher boats may be so noisy that killer whales must change their calls to be heard.

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  7. Genetics

    What makes a dog?

    Analyzing dog DNA is helping to explain the origin, behavior, and diseases of dogs.

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  8. Humans

    Hints of Life in Ancient Lava

    Ancient lava may contain some of the earliest traces of life on Earth.

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  9. Planets

    Search for a Missing Moon

    Sedna, the most distant object known in the solar system, doesn't appear to have a moon.

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  10. Chemistry

    Spinning Clay into Cotton

    Adding clay to cotton fibers can keep cotton from readily bursting into flame when heated.

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  11. Tech

    Robots on a Rocky Road

    In a recent race, high-tech, robotic vehicles tried to drive themselves across a desert.

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  12. Animals

    Male baboons get mellow

    Females may get male baboons to tone down violent behavior and become more cooperative.

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