The Basenji dog is the only dog that is not able to bark.
4
Condoms were originally made of animal intestines or linen.
347
Cherophobia is a fear of fun.
706
During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
There is a town in Pennsylvania named Intercourse.
794
There's a knife-fork hybrid called a knork.
29