Men laugh longer, louder, and more often than women.
61
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Most of the world's people must walk at least 3 hours to fetch water!
38
Children's sense of smell is better than adults'.
860
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Every human spent about half an hour as a single cell.
144