He Knows a Lot About Very Little Things

Published: May 12, 2020, 1 a.m.

The little things Carl Zimmer knows a lot about are genes, parasites and viruses. And he knows how to talk about them in a way that will stay with you forever. In this episode, Alan Alda and Carl Zimmer chat about heredity, evolution and one particularly amazing parasite. But it\u2019s not creepy. It\u2019s fascinating.