In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain doesn't stop developing until about 25 years old.
102
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Early American humans hunted car-size armadillos and used their shells for houses.
12
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