Our brains have a negativity bias and will remember bad memories more than good ones.
15
The human brain doesn't stop developing until about 25 years old.
102
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
On average a woman has 4 sexual partners in her lifetime.
-143
Gorillas can catch human colds and other illnesses.
205
Pain occurs when sounds are above 130 db.
124
On average, there's 100 billion neurons in the human brain.
83
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99