Weekend Edition Sunday for April 15, 2018
An artist's representation of NASA's Transiting Exoplanet Survey Satellite, or TESS, observing an M dwarf star with orbiting planets. NASA Goddard Space Flight Center hide caption

An artist's representation of NASA's Transiting Exoplanet Survey Satellite, or TESS, observing an M dwarf star with orbiting planets. NASA Goddard Space Flight Center hide caption
Fire shoots out from a Baltimore store on Gay Street as looting erupted in a five-block business section in Baltimore on April 6, 1968. Police sealed off the area. AP hide caption
Pastor Ron Russell, 70, watches as members of his church practice their aim during a concealed carry lesson. Marianne Natoli for NPR hide caption
Severe black lung disease deeply scarred the lung of a 61-year-old West Virginia coal miner, which was removed as part of a lung transplant. Courtesy of NIOSH hide caption
Soviet aviators with their American colleagues in front of a version of the PBY Catalina aircraft in Elizabeth City, N.C. The U.S. trained Soviet pilots to fly the plane as part of Project Zebra, a secret military program during World War II. Courtesy M.G. Crisci hide caption
A girl's hand reaches for sugar cubes. "We told people to load up on processed carbohydrates and gave sugary beverages a pass," said Dr. David Ludwig on what science got wrong about childhood obesity. Loic Venance/AFP/Getty Images hide caption
A young man records a voice note. A new dating app called Waving lets you swipe right on someone based only off short voice profiles. Getty Images hide caption
When Anne Soloviev, a retiree who lives in Washington, D.C., received a prescription to treat toenail fungus, she never thought to ask how much it cost. As it turned out, she was prescribed a topical medication costing almost $1,500. Cheryl Diaz Meyer for KHN hide caption
Habibi Bailey Robb/Courtesy of the artist hide caption
