Guest: Dr. John Krystal is a professor of psychiatry, neuroscience, and psychology at the Yale School of Medicine. Transcripts for each episode are available within 1-3 days at sciencefriday.com.

Mar. 6, 2026 A tiny piece of moss helped expose a cemetery scandal in Illinois, where workers allegedly dug up graves and resold burial plots. By identifying the moss and analyzing its chlorophyll to ...