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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.