It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The human eye blinks an average of 4,200,000 times a year.
233
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
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22