Every human spent about half an hour as a single cell.
144
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Yawns are more contagious among people with closer relationships.
163
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
One human hair can support 3 ounces.
191
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
4