Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
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Mosquitoes don't just bite you, they also pee on you.
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If you see an ingredients list that includes carmine, cochineal extract or natural red 4, the product contains crushed up bugs.
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Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
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