Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The human brain doesn't stop developing until about 25 years old.
102
Yawns are more contagious among people with closer relationships.
163
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
We share 70% of our DNA with a slug.
218
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118