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’s not creepy. It’s fascinating.

Support the show: https://www.aldacommunicationtraining.com/podcasts/

See omnystudio.com/listener for privacy information.