What would it be like to have a much lower or higher IQ than you currently have -- for example, to be a squirrel or an advanced space alien? This week's episode is about intelligence. What is it and what is its history and future? Join Eagleman on a whistle-stop tour of several schools of thought about what intelligence might mean in the brain.

Ep172 "Can You Quantify Yourself to Improve Health?" with Michael Snyder
1:02:59

Ep171 "Why Do Some Urges Feel Irresistible?" with Paige Gordon
46:28

Ep 170 "Will Mars Create a New Species of Human?" with Scott Solomon
48:51