“The primary reason European toilets have two buttons is to save water,” explains Chinese toilet manufacturer Danube Toilet. ...

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 ...

You see it daily, several times, but never really think about why it’s like that. The buttons on your toilet flush—why are there two buttons, a big one and a small one? Are you pressing the correct ...