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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.