Only about 2% of the world population has green eyes.
36
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Your thumb is about the same size as your nose.
124
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14