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  1. Teacher’s questions for Twister Science

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  2. Animals

    Threatened coral get fishy rescue

    When toxic seaweed gets too close to this coral, gobies fight and bite back.

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  3. Teacher’s questions for Cool jobs: Crime scene investigators

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  4. Chemistry

    Cool Jobs: Crime scene investigators

    These researchers don’t miss a clue.

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  5. Chemistry

    Explainer: Ocean acidification

    Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.

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  6. Brain

    Baby’s stress can last decades

    Early stress may impair adult behavior, especially in girls.

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  7. Planets

    A diamond planet?

    Distant, carbon-rich world could contain one-third its weight in gems that are relatively rare on Earth.

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  8. Health & Medicine

    Healthier mice, through X-rays

    In sickly mice, small doses of radiation helped while vitamins harmed.

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  9. Climate

    The high life

    The sky is full of microscopic life, some of which might even trigger rain or snow.

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  10. Teacher’s Questions for Germy Clouds

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  11. Tech

    How to stop a speeding bullet

    Scientists take a close look at a plastic that has Superman’s ability to stop a speeding bullet.

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  12. Space

    Twinkle, twinkle oldest stars

    Astronomers find traces of ancient light in the activity of bright, distant galaxies.

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