Only about 2% of the world population has green eyes.
36
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14