The human sigh acts as a physiological reset button.
23
There's 100 trillion good bacteria living in your body.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
A person can live without food for about a month, but only about a week without water.
156