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

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