Joe Palca

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — from NASA's Space Shuttle launches to the Neanderthal genome. He is currently focused on the eponymous series, “Joe’s Big Idea.” Stories in the series explore the minds and motivations of scientists and inventors.

He began his journalism career in television in 1982, working as a health producer for the CBS affiliate in Washington, DC. In 1986, he left television for a seven-y...

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