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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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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.