Dogs can make about 100 different facial expressions.
18
Cows can sleep standing up, but they can only dream lying down.
745
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Just before the US started bombing Baghdad, nearly $1 billion dollars was stolen from the Central Bank of Iraq and is now the largest bank robbery in history.
158
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Sheep, goats, octopuses, and toads have rectangular pupils.
7
