The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Bats sleep 18-20 hours per day.
5
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A dork is a whale's penis.
327
Female kangaroos have three vaginas.
2