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Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.