Today (October 23rd), our LaSalle broadcast signal will be undergoing tower work and will be off the air. Thanks for your patience as we complete this work, and while our 91.3 FM signal is off the air. You can always listen here on our website or on our WNIJ mobile app.
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.