You burn 26 calories in a one minute kiss.
605
It is impossible to hum if your nose is plugged.
366
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
An olive tree can live up to 1,500 years!
58
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
Barbie's full name is Barbara Millicent Roberts.
78