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Ever noticed all those photos of Olympians biting down on their gold medals?
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Well, it isn’t exactly a new thing. Here’s the 1991 Great Britain track and field team chomping on their win.
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After the athletes are awarded, photographers always ask them to bite down on their gold necklaces.
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Why?
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Well historically, it’s a way to find out if gold is real or not.
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So when you bite down on a gold object, your teeth should leave a mark.
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Unfortunately, the Olympic medals this year aren’t entirely made of gold.
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In fact, they haven’t been made of solid gold since 1912.
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This year, they’re only about 1.2% gold.
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The biting thing’s a pretty weird tradition, so some athletes kiss their medals instead.
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If you were an Olympic gold medalist, would you rather bite your medal or kiss it?
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