The first household refrigerators cost about $16,000, in today's money!
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On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
No piece of square dry paper can be folded more than 7 times in half!
26
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
There was once an undersea post office in the Bahamas.
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Americans are responsible for generating roughly 20% percent of the garbage in the world.
29
97% of all paper money in the US contains traces of cocaine.
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