In some places, sand dunes protect shorelines from the onslaught of ocean waves. In other places, the dunes themselves are on the move, and threaten human structures. Host Flora Lichtman talks with ...

If you’ve found yourself scrolling through the breastfeeding world online, you know that people have a lot of strong opinions about breast milk. But what exactly do we know about the biology of it?

Got some news, folks: I'm going to be on NPR's Science Friday with Ira Flatow, this Friday, from 3:15 to 4:00 ET, debating Tom Bethell about the politics of science. If you want to call in, the number ...