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Author Question: In the 19th century, the geologic time scale was first developed using radiometric age dating ... (Read 31 times) |
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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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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Everyone has one nostril that is larger than the other.