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

Called red currant tomatoes, these Solanum pimpinellifolium are actually a tomato cousin, in the nightshade family. The fruits are intensely tomato-flavored and very sweet. Harry Klee hide caption

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Harry Klee

Scientists Create First Synthetic Cell

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Scientists report they have made a living cell from DNA that was originally synthesized in a lab. iStockphoto.com hide caption

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iStockphoto.com

Someone who looks like this could be in your family tree. Chip Clark/Courtesy of the Smithsonian Institution hide caption

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Chip Clark/Courtesy of the Smithsonian Institution

Red and green aphids get their different colors by producing carotenoids, or color compounds. Courtesy of Charles Hedgcock, R.B.P. hide caption

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Courtesy of Charles Hedgcock, R.B.P.

Researchers Evgenia Ilyinskaya and Asgerdur Sigurdardottir sweep up volcanic ash from a small bridge just south of the Eyjafjallajokull volcano. The ash will be taken back to the University of Iceland for analysis. Joe Palca/NPR hide caption

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Joe Palca/NPR

Inside The Plume, A Volcano Tells Its Secrets

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Scientists Keep Close Eye On Volcano In Iceland

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Even the spin of a seemingly random roulette wheel can be predicted if you have the right information, says Antonio Acin of the Institute of Photonic Sciences in Barcelona. iStockphoto.com hide caption

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iStockphoto.com

Safer Than A Gamble: Finding Truly Random Numbers

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An actor prepares to receive "shocks" from the audience on a fake TV game show, staged for a French documentary. Psychologists have questioned the ethics of such experiments because of possible mental trauma suffered by participants. Christophe Russeil, HO/AP hide caption

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Christophe Russeil, HO/AP

Shocking TV Experiment Sparks Ethical Concerns

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