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 ...

It is rather haunting, the notice above the Flush button in the toilet on the airliner, “Do Not Flush While Seated on Toilet.” One imagines the engineers of the toilet running tests with flush dummies ...

Bathrooms are a breeding ground for gross bacteria. We know that to keep ourselves healthy, we should wash our hands for a good 20 seconds with hot soapy water, and routinely clean our bathrooms. What ...