Katherine Harmon Courage

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    When Reality Feels Unreal

    Why your life sometimes feels alien to you.

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    Jupiter’s Incredible Shrinking Spot

    Earth’s meteorology could explain what’s behind the great red whorl’s waning.

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    The Hidden Butterfly Trade

    How the lucrative market could spark conservation.

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    Who Controls Your Thoughts?

    Our minds are being coerced in covert ways.

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    How to Find and Keep a Space Rock

    NASA cosmic dust curator Marc Fries is here to explain.

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    Jupiter’s Io Gets a Close-Up

    A new image of our solar system’s most volcanic body.

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    Portrait of a Fractured Arctic

    What the melting permafrost looks and sounds like to a scientist.

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    Five Curiosities From Medical History

    Photos from the Mütter Museum’s newly searchable collection.

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    What We Can Learn from an Insomniac Fish

    When sleep doesn’t come on time.

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    You’re More of a Climate Skeptic Than You Think

    Here’s how psychology can help fix that. (It’s easier than you’d guess.)