Why Are Fireflies So Lit?
July 21, 2026
First up, UMass Lowell biologist Sarah Gignoux-Wolfsohn explains how exactly algae and micro-organisms can make lakes and ponds unsafe for swimming.
Then, it's another round of Four Things to Know, with Gal Tziperman Lotan from the GBH Daily newsletter.
Lastly, we end on fireflies with help from Avalon Owens and Abby Robinson at the Roland Institute’s Owens Lab at Harvard. They’ll explain how the little guys operate & how light pollution impacts their ability to thrive.
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.