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

The bdelloid rotifer Philodina gregaria. Bdelloid rotifers are tiny invertebrates that reproduce asexually. Courtesy of Micrographia hide caption

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Courtesy of Micrographia

Researchers dyed sperm from each deer mouse a different color; in this case, red represents one male and green another. The sperm joined together with their own kind, as seen here, allowing them to swim faster than those that did not cluster together. Heidi Fisher hide caption

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Heidi Fisher

A two-dimensional representation of E8 symmetry, the type of symmetry exhibited by particles in the study. John Stembridge hide caption

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John Stembridge

Scientist turned director Valerie Weiss discusses a scene with cinematographer Jamie Urman on the set of her film, Losing Control. Courtesy of Richard Salazar hide caption

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Courtesy of Richard Salazar

Filmmaking Scientist Experiments With Comedy

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Of Fish And Flies: The Evolutionary Role Of Genes

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Stockholm Visit Worth More Than A Nobel

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Planning For Nobel Ceremonies Taxes Even Brainy Winner

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