A toilet flush valve controls the flow of water from the tank into the toilet bowl. It is made of a valve body, a flapper, and a chain. When you flush, the chain lifts the flapper and water flows from ...

A study found that the floor and walls around the toilet could still get contaminated with viruses from the toilet bowl even when the lid is down during flushing. (Photo: Getty) Will shutting the ...

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 ...

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 ...

Toilet lids are weird. Some toilets have them, while many others don’t. And whether or not you are supposed to use them is its own can of worms. Evan Floyd, professor of occupational and environmental ...