Endurance athletes. How do they do it? How does someone push themselves to run an almost 2 hour marathon? How does someone else push themselves to finish a marathon at all? How did humans conquer Everest and free dive to the ocean floor? There's a new book for that. Just in time for the Winter Olympics, we'll hear from Alex Hutchinson, author of the new book Endure: Mind, Body and the Curiously Elastic Limits of Human Performance. And we'll hear from neuropsychologist Lori Haase Alasantro about her work using mindfulness to change the brains of endurance athletes. Related links: A...