There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Only humans shed emotional tears.
331
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
There are about 255 babies born worldwide every minute.
46
Every human spent about half an hour as a single cell.
144
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Obsessive nose picking is called Rhinotillexomania.
101
You can't tickle yourself.
29