The stuff we flush down our toilet contains a treasure trove of information about our health and lifestyle. The secrets of our sewers are currently helping prevent the spread of polio and monkeypox, but what else can it reveal about our lives?
The countless chemicals and pathogens that you flush away end up in your nearest sewage treatment plantWHAT’S the largest source of mass moving in and out of a city every day? You think, if it’s a port city, it must be boats – or, you know, maybe if it’s a landlocked city, it’s trains or trucks or cars or planes. No, it’s water. It’s water. There’s so much more water moving in and out of a city any day than there is any kind of cargo. It’s basically pure water coming in.
Once Eric Alm is in full flow, it is hard to stop him. But it isn’t hard to understand his enthusiasm. Alm, a biological engineer at the Massachusetts Institute of Technology, is one of a growing band of researchers turning their attention to the fluid coursing through our sewers.
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