Throughout the 1960s, a biologist named Howard Temin became convinced that something wasn’t right in science’s understanding of viruses. His colleagues dismissed him as a heretic. He turned out to be right — and you're alive today as a result.  Season Four ends with a bedtime story about how we should be freed by our doubts, not imprisoned by them.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.