Charles Middleton

Joe Johnson Jr. ran away from home at the age of 12, hopping a freight train at the height of the Great Depression. He managed to talk his way into the U.S. Army two years later. Seeking freedom and adventure, he was sent to the Philippines.

We are living through the most prosperous age in all of human history, yet we are listless, divided, and miserable. Wealth and comfort are unparalleled, but our political landscape is unmoored, and rates of suicide, lone­liness, and chronic illness continue to skyrocket. How do we explain the gap between these truths? And how should we respond? For evolutionary biologists Heather Heying and Bret Weinstein, the cause of our troubles is clear: The accelerat­ing rate of change in the modern world has outstripped the capacity of our brains and bodies to adapt.