Katharine Gammon

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    When Earth Was a Pale Green Dot

    The planet’s first photosynthesizers dined on green light

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    The Surprising History of Scientific Ballooning in 11 Missions

    It started with farm animals—now it’s revealing secrets of the cosmos

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    When Fish Follow You

    Some wild fish may recognize individual humans in the sea

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    What Megalodons Tell Us About Gigantism

    The biggest predator ever to have lived was a skinny beast

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    The Language of Tree Rings

    Turning tree ring science into art

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    A Missing Link Between Concussion and Alzheimer’s

    Viruses may play a surprising part

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    You Are What Your Ancestors Didn’t Eat

    The impact of famine may be written in the bodies of future generations

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    You’re Gonna Need a Bigger Light

    A new way to deter Jaws.

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    The Mystery of the Cave Cats 

    Ice age skeletons could reveal secrets of small cat evolution.

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    The March of the Mushroom Robots

    Scientists are making mycelia-machine hybrids that can crawl and roll.