Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
You forget 90% of your dreams.
256
The average person will go on a date at least 100 times before they finally marry.
33
Our brains have a negativity bias and will remember bad memories more than good ones.
15
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
Poor eyesight (myopia) is associated with higher IQ.
232
Obsessive nose picking is called Rhinotillexomania.
101
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18