Only humans shed emotional tears.
331
It is impossible to hum if your nose is plugged.
366
Oak trees can live 200 or more years.
61
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
There are more telephones than people in Washington, D.C.
121
Standard paper cannot be folded in half more than 7 times.
232
People who laugh more are better able to tolerate pain - both physical and emotional.
36