Short Wave Folgen

It's a listener questions episode! Josh Smith wrote in to tell us that as a teenager, he was plagued by sleep paralysis. Now he's afraid his kid might be experiencing it too. Josh asks what the science says about this sleep disorder and what he can do to help his son. (Encore episode)For more interesting science tidbits, follow Maddie and Emily on Twitter @maddie_sofia and @emilykwong1234. Email the show at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Nearly tied with 2016 for the hottest year on record, 2020 was hot, hot, hot! NPR climate reporters Rebecca Hersher and Lauren Sommer explain why more heat trapped in the atmosphere means longer heat waves, less ice in the Arctic, bigger wildfires, and more powerful hurricanes. For more reporting on the hottest decade, check out this story. You can follow Rebecca on twitter @rhersher and Lauren @lesommer. And, as always, email us at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Physicists have done the math and there should be as much antimatter as matter in the universe — but that hasn't been the case so far. NPR correspondent Geoff Brumfiel explains what's up with matter's "evil twin," antimatter. (Encore episode)Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy