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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 153 times) |
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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In 1864, the first barbiturate (barbituric acid) was synthesized.