While toilet bowls are designed such that the contents are supposed to flush downward, scientists have known for decades that ...

You find wall-mounted toilets more often in commercial or institutional ... sometimes called a power-assist toilet, has a tank just like a gravity-flush one. But instead of water, it contains ...

While it’s been widely believed for a long time that closing the toilet lid before flushing prevents the spread of airborne bacteria and germs, also known as “ toilet plume ,” it turns out that ...