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The horizontal fraction bar was introduced by the Arabs.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.