The strangers in your dreams are actually people that you've seen in real life.
50
Cows can sleep standing up, but they can only dream lying down.
745
A cow produces around 200,000 glasses of milk in her lifetime.
373
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94