The human sigh acts as a physiological reset button.
23
If your DNA was stretched out it would reach to the moon 6,000 times.
256
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Gorillas can catch human colds and other illnesses.
205
If the human eye was a digital camera, it would have 576 megapixels.
25
Yawns are more contagious among people with closer relationships.
163