Every human spent about half an hour as a single cell.
144
Your fingernails grow faster in summer.
744
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The human brain doesn't stop developing until about 25 years old.
102
We share 70% of our DNA with a slug.
218
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22