A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
The human brain doesn't stop developing until about 25 years old.
102
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Only humans shed emotional tears.
331
The human body contains over a billion miles of DNA.
147
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15