A domestic cat can sprint at about 31 miles per hour.
274
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Cows can sleep standing up, but they can only dream lying down.
745
The reindeer is the only mammal that can see UV light.
17
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12