Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Lurch, a Watusi bull, had the largest horns in the world.
32
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Cows can sleep standing up, but they can only dream lying down.
745
Only about 2% of the world population has green eyes.
36
Mars had an oxygen-rich atmosphere around 4 billion years ago
13