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Author Question: During the 19th century, the sparks of interest in biological change over time were fanned into ... (Read 83 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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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.