An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Only about 2% of the world population has green eyes.
36
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14