Your heart will pump about 212 million liters in its lifetime.
26
Early American humans hunted car-size armadillos and used their shells for houses.
12
Pain occurs when sounds are above 130 db.
124
The average person's skin weighs twice as much as their brain.
131
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 doesn't stop developing until about 25 years old.
102
Our brains have a negativity bias and will remember bad memories more than good ones.
15