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 ...

File this one under “Studies We Wish Had Let Us Remain Ignorant.” Scientists at the University of Arizona decided to investigate whether closing the toilet lid before flushing reduces ...

John Crimaldi receives funding from the National Science Foundation, National Institutes of Health, and the US Army DEVCOM Chemical Biological Center. Every time you flush a toilet, it releases plumes ...

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 ...

Thanks to new CU Boulder research, scientists see the impact of flushing the toilet in a whole new light—and now, the world can as well. Using bright green lasers and camera equipment, a team of CU ...

When it comes to toilet etiquette, do you put the lid down before you flush or leave it up? If you said leave it up, the results of a new study by researchers at the Asan Medical Center in South Korea ...

New research suggests a closed toilet seat may not be as helpful to block the spread of germs as we once thought.