Cows can sleep standing up, but they can only dream lying down.
745
Your body is creating and killing about 2.4 million red blood cells per second.
17
Only about 2% of the world population has green eyes.
36
A cow produces around 200,000 glasses of milk in her lifetime.
373
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94