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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 5973 times) |
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Excessive alcohol use costs the country approximately $235 billion every year.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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.