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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"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
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