Cows can sleep standing up, but they can only dream lying down.
745
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
Lurch, a Watusi bull, had the largest horns in the world.
32
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94