Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
The human sigh acts as a physiological reset button.
23
The human brain doesn't stop developing until about 25 years old.
102
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Gin is a mild diuretic which helps the body get rid of excessive fluid. Thus, it can reduce problems such as menstrual bloating.
90