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
There's 100 trillion good bacteria living in your body.
17
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31