Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
By weight, Bone is five times stronger than steel.
417
The average sperm cell swims at 8 inches per hour.
4
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Your heart will pump about 212 million liters in its lifetime.
26
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
A human being loses an average of 40 to 100 strands of hair a day.
133
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23