Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
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"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
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Condoms were originally made of animal intestines or linen.
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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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