Inspired by tiny nanostructures on transparent butterfly wings, engineers at Caltech have developed a synthetic analogue for eye implants that makes them more effective and longer-lasting. A paper ...

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Butterflies and moths have beautiful wings: the bright flare of an orange monarch, the vivid stripes of a swallowtail, the luminous green of a Luna moth. But some butterflies flutter on even more ...

WOODS HOLE, Mass. -- Many animals have evolved camouflage tactics for self-defense, but some butterflies and moths have taken it even further: They've developed transparent wings, making them almost ...