When entering public restrooms, it's hard not to dwell on what germs previous users have left behind in the toilet bowl. Imagine, instead, a self-cleaning system that doesn't require a brightly ...

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 ...

An easy-to-apply polymer coating made the toilet bowl on the left more slippery than the untreated one on the right. When entering public restrooms, it’s hard not to dwell on what germs previous users ...