Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59

