The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dogs have been man's pet for over 14,000 years.
224
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Female kangaroos have three vaginas.
2
Dolphins have names for one another.
18