There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Babies crawl an average of 200m a day.
212
Enamel is hardest substance in the human body.
61
Every human spent about half an hour as a single cell.
144
By weight, Bone is five times stronger than steel.
417
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456