The strangers in your dreams are actually people that you've seen in real life.
50
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Your body is creating and killing about 2.4 million red blood cells per second.
17
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A cow produces around 200,000 glasses of milk in her lifetime.
373