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
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Cows can sleep standing up, but they can only dream lying down.
745