You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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If you place a ripe banana next to a green tomato, the tomato will ripen due to the ethylene gas produced by the banana.
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Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
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At YouTube Headquarters, employees can either take the elevator, stairs or slide.
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