A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The largest breed of rabbit is the Flemish Giant.
65
Your body is creating and killing about 2.4 million red blood cells per second.
17
In the last 7 years, humanity has discovered 43 potentially habitable planets.
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