Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
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Some Chinese-made hair bands were fashioned from recycled condoms.
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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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"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
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