Only humans shed emotional tears.
331
On average a woman has 4 sexual partners in her lifetime.
-143
Our brains have a negativity bias and will remember bad memories more than good ones.
15
By weight, Bone is five times stronger than steel.
417
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The world's shortest man measures only 21.5 inches.
73
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132