Castro says that closing the toilet lid before flushing should decrease the radius of aerosol plumes and minimize the likelihood of particles reaching respiratory zones, but it has not been proven. To ...

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 ...

My family always keeps the toilet lids closed whenever they're not in use for two main reasons: so that our dogs don't drink toilet water, and so nothing gets sprayed throughout the bathroom when we ...

It’s no secret that bathrooms are full of germs. We all regularly wash our hands after using the loo and have a host of powerful cleaning products to leave our toilets sparkling clean. But there’s one ...

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 ...

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 ...

Could saving the planet start with a single flush? That may be a bit much to ask of a humble toilet, but these days, high-efficiency toilets are becoming the norm. Mandated by federal law since the ...

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 ...

Because COVID-19 has been detected in urine and stool samples, public restrooms can be cause for concern. Researchers measured droplets generated from flushing a toilet and a urinal in a public ...

A new study shows how turbulence from a toilet bowl can create a large plume that is potentially infectious to a bathroom’s next visitor. By Knvul Sheikh Here’s one more behavior to be hyper-aware of ...