The human eye blinks an average of 4,200,000 times a year.
233
By weight, Bone is five times stronger than steel.
417
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You can't tickle yourself.
29
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
In one day, adult lungs move about 10,000 litres of air.
11
The human brain doesn't stop developing until about 25 years old.
102