Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
False teeth are often minutely radioactive.
214
Condoms were originally made of animal intestines or linen.
347
If you're typical, you can guess someone's sex with 95% accuracy just by smelling their breath.
150
