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Author Question: You have been assigned the task of safety officer during a building collapse involving several ... (Read 29 times) |
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.