Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The average person will go on a date at least 100 times before they finally marry.
33
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
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
Mushrooms are more closely related to humans than they are to plants.
47
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
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139