On today's episode, It's ALL sewage ALL the time. We cover: 1) The worrying increase in COVID signs in our wastewater, and 2) Why 50 million gallons of that untreated wastewater still ends up in the Charles every year.

"What's That About?" answers folks' burning questions about issues affecting greater Cambridge. Plus, you know, it's funny...or that's what we whisper to ourselves in the bathroom mirror, over and over.