Most dreams last only 5 to 20 minutes.
79
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
25% of your bones are located in your feet.
12
Sex burns about 360 calories per hour.
860
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Poor eyesight (myopia) is associated with higher IQ.
232
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Only 1% of bacteria cause disease.
45