Sloths take two weeks to digest their food.
243
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
In 1987, a Chicago TV station had its broadcast interrupted by a pirate signal that shows a man in a Max Headroom mask mumbling and being spanked with a fly swatter. Despite investigations by the FCC and FBI, this became the only known incident in which a hacker interrupted a major TV broadcast without getting caught.
19
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
Condoms were originally made of animal intestines or linen.
347
There's a rare breed of pig that looks like a sheep.
14