Emergency physician Dr. Tsion Firew and NPR science correspondent Rob Stein answer listener questions about getting tested for COVID-19, and how those tests are processed.
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.
This week marks the 10th anniversary of the start of the unrest leading to the Syrian civil war. A check-in shows that it's tough for people on both government and rebel sides.
The nominations for the Academy Awards were announced Monday. There were many firsts, including two women up for best director and the first Muslim actor nominated in a leading category.