Dripping taps are a nuisance to everyone. They are made worse by jamming the tap off as hard as you can (anyone with a teenager or indeed old taps in the house will know this). Luckily this is a ...

In the middle of the night it becomes a form of psychological torture, the insidious “plink …” (wait-for-it) “plink …” (wait-for-it) “plink …” of drops falling, one-by-one, into water. Scientists said ...