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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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