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 ...

Engineers at the University of Colorado Boulder have confirmed what the germ-phobic among us have long suspected: The flush of a commercial toilet releases a Vesuvius-like cloud of tiny droplets and ...

Just like the great debate over which way the toilet paper roll goes, there is a similar spat over flushing: lid open or closed? Scientists have weighed in with their own woeful conclusion: Neither is ...

A scientist wants to clear the air on how bathroom habits impact overall cleanliness. Microbiologist Tim Call, 32, has exposed how dirty your bathroom is before and after flushing the toilet. Cal, ...

While toilet bowls are designed such that the contents are supposed to flush downward, scientists have known for decades that small particles – including those from water, waste and toilet paper – can ...

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 ...