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Author Question: Two people, each of 70 kg mass, are riding in an elevator. One is standing on the floor. The other ... (Read 113 times) |
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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The familiar sounds of your heart are made by the heart's valves as they open and close.