Short Wave Folgen

In several major cities, public health officials work every year to monitor the flu. It's called sentinel surveillance. And as early as mid-February, the government had a plan to use that system to find early cases of the coronavirus, by testing patients with flu-like symptoms. But NPR's Lauren Sommer reports the effort was slow to get started, costing weeks in the fight to control the spread of the virus. Read more from Lauren's reporting here. Email the show at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Spring is in the air — and so are black bears coming out of hibernation. Rae Wynn-Grant, a large carnivore biologist, explains there's a lot more going on during hibernation than you might expect.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Optimism is often thought as a disposition, something you're born with or without. So can it be learned? On today's show, Maddie talks with Alix Spiegel, co-host of NPR's Invisibilia, about "learned optimism." We'll look at what it is, the research behind it, and how it might come in handy in certain circumstances, like maybe a global pandemic?Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy