3/29/2013

Researchers using black lights to track rat droppings on Alcatraz instead found a number of tiny, fluorescent millipedes. Park officials had been working to eliminate the rat infestation in the now-closed San Francisco Bay prison, when the millipedes were discovered. The glowing arthropods are in the same species as their Bay Area relatives, but scientists say there appear to be slight differences. Why they glow, though, remains a mystery, researchers say.

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