In the average lifetime a person will breath in about 44 pounds of dust.
21
Your tongue is the only muscle in your body that is attached at only one end.
173
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
Kissing an infection-free partner is good for your teeth!
141
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
