Only about 2% of the world population has green eyes.
36
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
The strangers in your dreams are actually people that you've seen in real life.
50
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13