The strangers in your dreams are actually people that you've seen in real life.
50
You forget 90% of your dreams.
256
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
13