Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Early American humans hunted car-size armadillos and used their shells for houses.
12
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human body contains over a billion miles of DNA.
147
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Yawns are more contagious among people with closer relationships.
163