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  1. When the human body outwits a deadly virus

    Editor in chief Nancy Shute writes about triumphs of the human immune system over HIV.

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  2. Readers ask about Microraptors, an X-ray map of the sky and more

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  3. Animals

    Cheap, innovative venom treatments could save tens of thousands of snakebite victims

    Momentum is building to finally tackle a neglected health problem that strikes poor, rural communities.

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  4. Health & Medicine

    What will happen when COVID-19 and the flu collide this fall?

    As the Northern Hemisphere braces for a coronavirus-flu double hit, it’s unclear if it’ll be a deadly combo or one virus will squeeze out the other.