Your body is creating and killing about 2.4 million red blood cells per second.
17
Cows can sleep standing up, but they can only dream lying down.
745
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your thumb is about the same size as your nose.
124
A cow produces around 200,000 glasses of milk in her lifetime.
373