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Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The horizontal fraction bar was introduced by the Arabs.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

