Could You Charge an iPhone with the Electricity in Your Brain?

Ever since Morpheus explained how the machines use humans as batteries in The Matrix, we’ve been fascinated by the idea. But can the human body actually generate enough current to do anything useful? We decided to find out, by asking experts how long it would take a human brain to charge an iPhone. » 8/12/15 11:50am 8/12/15 11:50am

What Do You Want to Know About Sexual Anatomy?

When I was in graduate school, I wondered what changes made erectile tissue in the penis shift from its soft and flexible state to its stiff and inextensible state. Then, with the help of some armadillos, I did the research and figured it out. Tell me what you wonder about, and I’ll see whether I can figure it out for… » 5/28/15 7:30pm 5/28/15 7:30pm

Here's How You Would Really Become Like Batman

Neuroscientist and kinesiologist E. Paul Zehr has studied how a person might actually become Batman, looking at the physiology, training, and will that a person would need. And he told us how, even if you’ll never be ready for the Justice League, you can still become more like the Dark Knight. » 5/15/15 4:18pm 5/15/15 4:18pm

Popular Exercises To Avoid At All Costs—Unless You Do Them Right

Many popular exercises are performed incorrectly, often by people who probably shouldn’t be attempting them in the first place. This can result in injuries and futility at the gym. We talked to the experts to find out which exercises are the most problematic, and how to do them correctly. » 5/12/15 3:03pm 5/12/15 3:03pm

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 3:41pm 11/19/13 3:41pm

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