According to researchers from the University of Texas, the jewel scarab species Chrysina gloriosa can distinguish between circularly polarized and unpolarized light. That ability could provide the beetles with a tremendous advantage, the researchers say, because most of the light reflected off these beetles’ colorful bodies happens to be circularly polarized. Because ability to see CP light is very rare in nature, it’s not likely that any of the beetles’ predators can see it. So the ability to both see and reflect CP light probably evolved to allow jewel scarabs to communicate with each other while staying hidden from predators
Storyteller: Parrish Brady, University of Texas
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