Don Salvatore has a biology degree (BA) from Northeastern University in Boston. He has been an informal science educator since graduating, with the last 36 years at the Museum of Science in Boston, teaching many science topics to the general public and school groups that visit the Museum. He is currently the coordinator of the Firefly Watch citizen science project, which started in 2008. Since the program’s beginning, they have had over 5,000 people from 40 states and 6 Canadian provinces participate – collecting firefly data in their back yards. He also writes short stories about the nature one can find in one’s back yard and posts them on a web site – Backyard Biology (www.backyardbiology.net). Today we talk about fireflies.