Every year your body replaces 98% of your atoms.
119
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
More people have a phobia of frogs than rats.
41
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
The human brain doesn't stop developing until about 25 years old.
102
The tongue is the strongest muscle in the human body.
50

