Short Wave Folgen

On April 15, at four o'clock in the morning, a small group of scientists found their way to a secret location. A light wintry mix of rain and snow was falling. The lousy weather was a relief because it meant even less of a chance that someone might randomly pass by.Today on the show, NPR science correspondent Nell Greenfieldboyce unearths why a new generation of scientists is digging up seeds under the cover of night buried 142 years ago.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

President Biden is hosting dozens of world leaders for a virtual climate summit on Thursday and Friday. The administration is trying to regain ground lost by pulling out of the Paris climate agreement during the Trump administration. The Biden team is promising dramatic cuts in greenhouse gas emissions in the next several decades. Rhitu Chatterjee talks with NPR climate reporters Rebecca Hersher and Lauren Sommer.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Horseshoe crabs have been around for 450 million years — nearly unchanged. And their blood has helped the medical world make some fascinating discoveries. Emily Kwong talks with Ariela Zebede about these living fossils and their role in making medicine safer. Get in touch! You can email Short Wave at ShortWave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy