A safer way to deal with raw sewage in the developing world

In 2011, an engineering student came up with an idea to help people in the developing world deal with raw sewage. His goal was to use technology to help save lives by limiting people's exposure to the pathogens in human waste. ...

Artificial sweetener as a wastewater tracer

Acesulfame is a sweetener in sugar-free drinks and foods. As it cannot be metabolized in the human body, the sweetener ends up in wastewater after consumption and remains largely intact even in sewage treatment plants. A ...

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