There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
There's 100 trillion good bacteria living in your body.
17
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
You inhale about 700,000 of your own skin flakes each day.
29
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Your ribs move about 5 million times a year, every time you breathe!
60