In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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The horizontal fraction bar was introduced by the Arabs.
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There are more sensory neurons in the tongue than in any other part of the body.
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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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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
