Michael Heller joins the podcast to discuss his new book, Mine! How the Hidden Rules of Ownership Control Our Lives. This book explores the implicit social rules governing ownership. In brief, these rules are as follows: Attachment ("it's mine because it's connected to something of mine")...

Today's guest is Michael McCullough of the University of California, San Diego. We are discussing his book The Kindness of Strangers: How a Selfish Ape Invented a New Moral Code. How did humans, a species of self-centered apes, come to care about others? Since Darwin, scientists have tried to...