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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The horizontal fraction bar was introduced by the Arabs.
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Thyroid conditions may make getting pregnant impossible.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.