John Crimaldi is a professor of civil, environmental and architectural engineering at the University of Colorado, Boulder. Every time you flush a toilet, it releases plumes of tiny water droplets into ...

This summer, in Boulder, Colorado, John Crimaldi and his team of civil and environmental engineers gathered around a toilet — for science. They positioned a laser to beam green light above the lidless ...

Flushing a toilet can generate large quantities of microbe-containing aerosols depending on the design, water pressure or flushing power of the toilet. A variety of pathogens are usually found in ...

Add this to our list of worries in these anxious times: coronavirus-containing clouds that waft into the air when a toilet is flushed. Scientists who simulated toilet water and air flows say in a new ...

Public restrooms aren’t exactly associated with cleanliness. But a team scientists have recently exposed just how dirty they are. As it turns out, public restrooms aren’t just dirty; they’re actually ...

Dear Ed: We have a sensitive septic system. Our service company recommended we install water-saving toilets to cut down on water flowing into the system. What do you recommend for minimum toilet water ...

Study says toilets can spread coronavirus by sending particles into the air after flushing. Researchers say that particles continue to come out of a recently-flushed toilet for as long as a minute ...

Q: We have a sensitive septic system. Our service company recommended we install water-saving toilets to cut down on the amount of water flowing into the system. What do you recommend for minimum ...