Every human spent about half an hour as a single cell.
144
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The human body contains over a billion miles of DNA.
147
A human being loses an average of 40 to 100 strands of hair a day.
133
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
We share 70% of our DNA with a slug.
218
The world's shortest man measures only 21.5 inches.
73