In 1996, research found that having excessive body hair is linked to higher intelligence.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
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
Held in farts enter your bloodstream and are bad for your body.
26
Your thumb is about the same size as your nose.
124
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
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