The skin on your lips is 200 times more sensitive than your fingertips.
345
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Obsessive nose picking is called Rhinotillexomania.
101
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Your heart rate can rise as much as 30% during a yawn.
69
A woman's sense of smell is most sensitive during ovulation.
34