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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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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 calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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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).