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 human brain is more active during sleep than during the day.
28
The Pirate Bay tried buying their own island in hopes of making their own country with no copyright laws.
3
A domestic cat can sprint at about 31 miles per hour.
274
Water is actually naturally blue.
48