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Each year in late spring the Great Smoky Mountains National Park hosts a special light show, thanks to a species of beetle native to the region. These are the ...

Warm summer nights wouldn't be complete without the beautiful glow of fireflies. But until recently, we didn't really understand how fireflies produced their glow.

Have you ever wondered how lightning bugs glow? Read More: Glow cat: fluorescent green felines could help study of HIV ...