One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Two dogs were among the Titanic survivors.
262
Domestic pigs average a top speed of about 11 miles per hour.
182
Sheep, goats, octopuses, and toads have rectangular pupils.
7