One human hair can support 3 ounces.
191
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217