Lost Beauty II: The Art of Museum Stories

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Oddities Explained Museums are often the repositories of the rare and unusual. In fact, museums originated from ‘Cabinets of Curiosities’ or collections of seemingly unusual items wealthy people collected and displayed. While museums are now public places that welcome all people, they still include some of the ‘curiosities’ that would have been center stage in early displays. This frog, preserved in fluid in a glass jar, is certainly unusual, but its appearance is easily explained with science. In humans, Polymelia is a birth defect in which an individual has five or more limbs, resulting from an embryo that started as conjoined twins. This is not the case with this frog, whose resulting additional limbs stem from an interaction with a parasitic worm. The parasite in question is a flatworm called Ribeiroia. When they invade tadpoles, they bury themselves in the buds that will eventually grow into legs. The abnormal growth from the side of this transforming frog tadpole bears three feet each with five fully developed toes.


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