NPR's Scott Simon speaks with Alberto Minetti of the University of Milan about his research on how astronauts on the moon could keep fit by running around the inside of a cylindrical "Wall of Death."
NPR's Scott Simon speaks to Howard Bryant of Meadowlark Media about the disappointing end to the Milwaukee Bucks season, and the rest of the field in the NBA playoffs, and NHL playoffs.
Tom Selleck became a TV star in the 1980s as the Hawaii-based detective of "Magnum, P.I." He talks with NPR's Scott Simon about what it took to get there and his new memoir, "You Never Know."