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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 Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.