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.
Peter Daszak of the investigative team sent to Wuhan says the farms were probably where the coronavirus first jumped from bats to another animal before infecting humans.
NPR's Ailsa Chang talks with sportswriter Christine Brennan of USA Today about the NCAA COVID-19 rules. She points out that the women's team is playing in Texas, which has no mask mandate.
The tough sanctions that former president Trump slapped on Iran are still in place and President Biden has a few options to use them to bring Iran back to the nuclear deal.
Phill Wilson is the founder of Black AIDS Institute. He's retired but still connecting the dots on illness. Now he's focused on the coronavirus pandemic and how to fight COVID-19 vaccine hesitancy.
Pope Francis has disappointed pro-LGBTQ Catholics via a Vatican statement that the church cannot bless same-sex unions. He had previously seemed open to an endorsement.