The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
The human brain doesn't stop developing until about 25 years old.
102
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The human body contains over a billion miles of DNA.
147
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
A woman's sense of smell is most sensitive during ovulation.
34