In 1996, research found that having excessive body hair is linked to higher intelligence.
23
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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 idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A person can live without food for about a month, but only about a week without water.
156
Your thumb is about the same size as your nose.
124
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