The human sigh acts as a physiological reset button.
23
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118