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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

