You’ve probably noticed it a hundred times but never really thought about it– those two buttons on your toilet flush. One small, one big. You press whichever feels right in the moment, without ...

Q: My wife and I are in a disagreement over the new toilet we plan to purchase. We both want to install a high-efficiency toilet, but we have not decided on the flushing system. I would like a ...

Toilets designed to save water are actually wasting it at an alarming rate, says the U.K.'s largest water utility. Dual-flush toilets have separate buttons for heavy or light flushes with the goal of ...

Q: Ed: Read your article on how right-handle flushing toilets can be ordered if the standard left-handle toilet setup is inconvenient for some users. I was a taken back that you did not mention ...

Consider the 140,000 times you're likely to flush a toilet over a lifetime, and it's easy to see why toilets guzzle nearly 30 ...

Hopefully most of us already have low water flow toilets installed in our homes, but what about all-in-one greywater systems? The Caroma Profile Smart Dual Flush is a 2-in-1 sink and toilet system ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...