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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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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.