Our ancestors crossed deserts, mountains, and oceans without even a whisper of what anyone today might consider modern technology. Those feats of endurance now seem impossible in an age where we take comfort for granted. But what if we could regain some of our lost evolutionary strength by simulating the environmental conditions of our forebears?

Or even more importantly, can we tap into our evolution and increase our mental and physical resilience?

This week on the show we interview investigative journalist and anthropologist Scott Carney (scottcarney.com). In his New York Times best selling book, What Doesn't Kill Us, Scott tries to figure out if it is possible to hack our bodies and use the environment to stimulate our inner biology?

Helping him in his search for the answers is Dutch fitness guru Wim Hof, whose ability to control his body temperature in extreme cold has sparked a whirlwind of scientific study.

In this episode, Scott tells us about his own transformational journey as he pushes his body and mind to the edge of endurance, a quest that culminates in a record-bending, 28-hour climb to the snowy peak of Mt. Kilimanjaro wearing nothing but a pair of running shorts and sneakers.

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