It's time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by the show's two hosts, Regina Barber and Emily Kwong. Hey to both of you. REGINA BARBER, BYLINE: Hey.

RASCOE: And while most of us like to sit by the ocean, NPR's Short Wave podcast is diving in, with this story from producer Hannah Chinn on how the ocean and the atmosphere affect each other.

Two years ago, eager to stymie Nazi infiltration in Latin America, the U. S. toyed with the notion of setting up a Federal short-wave station, abandoned the idea when private broadcasters, led by NBC, ...