You forget 90% of your dreams.
256
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Your thumb is about the same size as your nose.
124
The strangers in your dreams are actually people that you've seen in real life.
50
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
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