Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The human brain doesn't stop developing until about 25 years old.
102
We share 70% of our DNA with a slug.
218
On average, there's 100 billion neurons in the human brain.
83
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29