Dedicated runners and winter athletes will tell you that exercising in the cold is not as tough as it looks....

When nature dumps a load of snow onto your driveway, it’s a free workout in disguise—but maybe not one you’re...

Twenty years ago, a Duke University professor, David R. Smith, used artificial composite materials called “metamaterials” to make a real-life...

Jonny Johansson was pondering age this season: something that’s only natural as your brand turns 30. He sighed: “It felt...

The latest craze in the fitness world—from gym culture, to nutrition planning, to recovery protocols— is hyper-personalized optimization. But is...