On average, there's 100 billion neurons in the human brain.
83
Gorillas can catch human colds and other illnesses.
205
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You forget 90% of your dreams.
256
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human body contains over a billion miles of DNA.
147