The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Sunflowers can be used to clean up radioactive waste.
17
20252 is Smokey the Bear's own zip code.
35
The number of text messages sent and received in a given day is greater than the world's population.
198
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423