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Fireflies need dark nights for their summer light shows – here's how you can help

  • Written by Avalon C.S. Owens, PhD Candidate in Biology, Tufts University
Fireflies need dark nights for their summer light shows – here's how you can helpFireflies light up a June night in central Maine.Mike Lewinski/Flickr, CC BY

Before humans invented fire, the only things that lit up the night were the moon, the stars and bioluminescent creatures – including fireflies. These ambassadors of natural wonder are soft-bodied beetles that emit “cold light,” using a biochemical reaction...

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