The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Your tongue is the only muscle in your body that is attached at only one end.
173
Most dreams last only 5 to 20 minutes.
79
Enamel is hardest substance in the human body.
61
The average person who stops smoking requires one hour less sleep a night.
79
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
It takes about 20 seconds for a red blood cell to circle the whole body.
102