Poon Lim survived 133 days alone on a raft at sea by fishing, drinking bird blood, and killing a shark with a jug of water.
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Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
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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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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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