A person can live without food for about a month, but only about a week without water.
156
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The average sperm cell swims at 8 inches per hour.
76
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89