Your body is creating and killing about 2.4 million red blood cells per second.
17
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The strangers in your dreams are actually people that you've seen in real life.
50
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Only about 2% of the world population has green eyes.
36