It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
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
The human brain is more active during sleep than during the day.
28
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15