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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 5577 times) |
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Vaccines prevent between 2.5 and 4 million deaths every year.