Your thumb is about the same size as your nose.
124
Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The strangers in your dreams are actually people that you've seen in real life.
50
Your body is creating and killing about 2.4 million red blood cells per second.
17
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Cows can sleep standing up, but they can only dream lying down.
745