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The horizontal fraction bar was introduced by the Arabs.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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The longest a person has survived after a heart transplant is 24 years.
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There are more nerve cells in one human brain than there are stars in the Milky Way.