The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Gorillas can catch human colds and other illnesses.
205
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14