Paul Rieckhoff

Paul Rieckhoff is the founder and executive director of Iraq and Afghanistan Veterans of America and the author of Chasing Ghosts: A Soldier's Fight for America From Baghdad to Washington.

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James Hamblin tries a questionable medical treatment.

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Confessions of Moms Around the World

In Europe, mothers get maternity leave, discounted daycare, and flexible working hours.

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How Do Trees Know When It's Spring?

The science behind beautiful seasonal blooming

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