Enamel is hardest substance in the human body.
61
One human hair can support 3 ounces.
191
If the human eye was a digital camera, it would have 576 megapixels.
25
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Every human spent about half an hour as a single cell.
144
Our Right Lungs takes more air than our left lung.
194
Only humans shed emotional tears.
331