Your thumb is about the same size as your nose.
124
Only about 2% of the world population has green eyes.
36
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11