By weight, Bone is five times stronger than steel.
417
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
A man's beard grows fastest when he anticipates sex.
239
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93