Only about 2% of the world population has green eyes.
36
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Your thumb is about the same size as your nose.
124
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Cows can sleep standing up, but they can only dream lying down.
745