(Phys.org) —Biologists Ron Douglas and Glen Jeffery of City University and University College in the U.K. have upended the notion that few mammals are able to see in ultralight. In their paper published in Proceedings of the Royal Society B: Biological Sciences, the two describe how they examined the eyes of a myriad of donated dead animals and found that a wide variety of them had lenses which allowed UV light to pass through.
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