Why Your Voice Sounds Different Inside Your Head

The voice in your head is a lie. What you hear when you open your mouth is distinctly less velvety than what everyone around hears—and it's your skull that's to blame. More specifically, it's the way your skull vibrates. » 8/27/14 11:05am 8/27/14 11:05am

How Long Can Humans Hold Their Breath?

Holding your breath may not be the flashiest feat of athleticism, but performing it at its highest level is still incredibly impressive, especially since it's something we've all done, and can all relate to. The limits to which some can push breath control, in fact, are more impressive than most people probably know. » 11/19/13 1:55pm 11/19/13 1:55pm

Why Exercise Warm-Ups Might Be Even More Important Than You Thought

Everyone knows they should warm up prior to exercise, but very few people actually bother. Turns out, that could be a real mistake: a new study suggests that warming up actually increases the maximum power a muscle can provide during exercise, as opposed to just shortening the time required to reach maximum output. » 4/23/12 2:20pm 4/23/12 2:20pm

The Double Amputee Sprinter with Carbon Fiber Legs Will Race in the…

Oscar Pistorius has two carbon fiber blades for legs. Despite that, he can run 400 meters in 45.07 seconds. And South Africa, his home country, is sending him to the World Championships to compete against a field of normal-legged runners. » 8/08/11 9:39am 8/08/11 9:39am