For more than 30 years, Alex Chadwick has been bringing the world to NPR listeners as an NPR News producer, program host and currently senior correspondent. He's reported from every continent except Antarctica.
Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. 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. Palca is also the founder of NPR Scicommers – A science communication collective.
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