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.
A grand jury in Arizona has indicted a slew of Trump allies for their efforts to try to keep him in power after the 2020 election. Arizona is now the fourth state where "fake electors" face charges.