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.
The African country of Chad goes holds its presidential election in the next few days — one of the first military led governments in the region to do so. Will the vote bring stability or more chaos?
Students in the U.K., France and Mexico have sought to erect what many of them call "solidarity encampments," prompting a variety of responses from university authorities and local law enforcement.