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Author Question: The background mountains in Leonardo's Madonna of the Rocks provide a perfect example of a) ... (Read 56 times) |
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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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.