Passengers on the Beijing subway can pay with plastic bottles.
29
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
An ounce of platinum can be stretched 10,000 feet.
40
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Tae Kwon Do is only around 60 years old.
64
Like fingerprints, everyone's tongue print is different.
250
There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11