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.
On this week's "My Unsung Hero" from Hidden Brain, cancer patient, Mary Fran, was self-conscious about her wig. Then a stranger told her she was going to be okay.
Uncommitted delegates are planning how to influence the Democratic National Convention in August after voters cast primary ballots to protest President Biden's handling of the war in Gaza.
NPR's Tiny Desk is celebrating Black Music Month with a series of concerts lead by women, including Chaka Khan. NPR's Juana Summers sat down with the "Queen of Funk" after the show.