You can't tickle yourself.
29
Condoms were originally made of animal intestines or linen.
347
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
False teeth are often minutely radioactive.
214