Unraveling how a carbon fiber plate and space-age foam combine to make a more efficient shoe turns out to be trickier than expected
The government just released new fitness guidelines, which we boiled down to a single, simple mantra
When you run a race you haven’t registered for, you’re taking the easy way out
Most nutrition trends aren’t worth your time. But there are a few exceptions.
Colin O’Brady thinks it’s possible—but just barely—to haul enough calories to traverse the continent. Here’s how.
Pioneering scientist Dr. Rhonda Patrick talks to Tim Ferriss about smarter approaches to popular lifestyle interventions
What you eat changes how you feel. These foods are the best for your brain
How halfpipe skier Cassie Sharpe stays on top after winning Olympic gold
A friendly reminder that a 2:10 marathon is actually still pretty hard
A new study suggests that hitting the gym more than twice a week is counterproductive. That seems unlikely.
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