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1.
The Declaration of Independence was written on hemp paper.
2.
The “hashtag” key on your keyboard (#) is called an octotroph.
3.
A duck’s quack doesn’t echo, and nobody can figure out why.
4.
The Romans used to clean and whiten their teeth with urine.
5.
Because metal was scarce, the Oscars given out during World War II were made of wood.
6.
Total removal of body-hair was customary for both men and women in ancient Egypt.
7.
Ketchup was sold in the 1830s as medicine.
8.
Female ferrets in heat that are not allowed to bred can die.