When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The human brain doesn't stop developing until about 25 years old.
102
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Human hair and fingernails continue to grow after death.
7
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Early American humans hunted car-size armadillos and used their shells for houses.
12