As in, the body ... side of your lower abdomen that can last a few minutes to an hour." "I'm fortunate never to get uterine cramps during shedding, but I've gotten these seemingly random sharp ...

Test your smarts against this one-minute video, where Ask Smithsonian host Eric Schulze uncovers the facts behind five popular myths about the human body. Sections Subscribe Give a Gift Renew Shop ...

However, there are also a lot of mind-blowing science facts that everyday people are not aware of. Like how some blood vessels in your ... for a cool science fact? Facts about the human body ...