Ray Nagle and John Palting examine moths at their collection site outside Biosphere 2 near Oracle, Ariz. in March of 2013. A UV light attracted moths to a sheet where the two men collected the ... more 
Ray Nagle and John Palting examine moths at their collection site outside Biosphere 2 near Oracle, Ariz. in March of 2013. A UV light attracted moths to a sheet where the two men collected the specimens. Photograph by Susan E. Swanberg less 
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Scientific American
Wed, May 29, 2013 8:16 AM EDT