Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Mackinac Island, Michigan, has banned cars since 1898!
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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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The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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