The human brain has the capacity to store everything that you experience.
4k
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
By weight, Bone is five times stronger than steel.
417