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.
Longtime listeners recognize Jacki Lyden's voice from her frequent work as a substitute host on NPR. As a journalist who has been with NPR since 1979, Lyden regards herself first and foremost as a storyteller and looks for the distinctive human voice in a huge range of national and international stories.
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