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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 2467 times) |
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).