Poor eyesight (myopia) is associated with higher IQ.
232
Every year your body replaces 98% of your atoms.
119
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
When you take a step, you are using up to 200 muscles.
886
One human hair can support 3 ounces.
191
The human brain has the capacity to store everything that you experience.
4k
Yawns are more contagious among people with closer relationships.
163