A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
Your body is creating and killing about 2.4 million red blood cells per second.
17
Only about 2% of the world population has green eyes.
36
Lurch, a Watusi bull, had the largest horns in the world.
32