Joe Palca Joe Palca is a science correspondent for NPR.
Joe Palca, photographed for NPR, 17 January 2019, in Washington DC.
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Joe Palca

New Probes Set to Land on Mars this Weekend

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Scientists Track Genesis of Antibiotic-Resistant Staph

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The Importance of a Good Hand Washing

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Marijuana-Like Compounds Linked to Embryo Growth

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Mineral on Mars Offers Clues to Climate

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