There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
Redheads require up to 20% more anesthesia to be knocked out.
112
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
In 2007, a Bosnian couple found out that they had been cheating on one another in online chatrooms... with each other.
75
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The Basenji dog is the only dog that is not able to bark.
4