Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Cockroaches can live for 9 days after their head has been cut off.
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Sniffologists have the job of sniffing armpits.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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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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