Pain occurs when sounds are above 130 db.
124
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The human sigh acts as a physiological reset button.
23
The human brain doesn't stop developing until about 25 years old.
102
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12