No, stupid question is produced by me, rebecca lee douglas and now here's a fact check of to day's conversation. In the first half of the show, angela tells the story of a columbia graduate student named ari who researched cognitive fatigue by performing mental multiplication. The researcher she was thinking of is japanese psychologist seruku heraguche. She died of tuberculosis in 19 15 at the age of 29. Later, stephen wonders if the brain is a literal muscle. It's an organ, and at 60 % fat, it's actually the fattiest organ in the body.