Short Wave Folgen

The civil war in Ethiopia is destroying the medical system in the northern Tigray region, which serves nearly 7 million people. Doctors are operating without anesthesia and re-using medical equipment. Sporadic electricity and water are also causing problems for hospitals and clinics. NPR's Ari Daniel talks to host Aaron Scott about how people who need and provide medical care are coping.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Botanist and founder of #BlackBotanistsWeek Tanisha Williams explains why some leaves change color during fall and what shorter days and colder temperatures have to do with it. Plus, a bit of listener mail from you! (Encore)You can always reach the show by emailing shortwave@npr.org. We're also on Twitter @NPRShortWave!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Plants living underwater can't count on pollinating insects to get it on. The prevailing theory has been that pollen moves underwater simply by floating around in water currents. But a team of researchers co-led by Dr. Vivianne Solís-Weiss, have discovered a helper organism pitching in to pollinate seagrasses: marine worms. In today's episode, Vivianne tells Short Wave Scientist in Residence Regina G. Barber how she happened to catch these worms, called polychaetes, in the act of pollinating seagrass flowers underwater, and how the discovery is shedding new light on evolution in the oceans.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy