Europe is in the grip of a record-breaking heatwave. To help stay cool, people in France have been turning to an unusual solution – chalk. Here's the science behind the trend.

Brilliantly whitewashed houses are a familiar sight in hot countries, from Morocco to Greece. In fact, white-painted roofs “have been used to cool buildings for centuries”, said The Guardian. But ...

A fresh coat of paint can completely transform a french interior door — but painting one is not quite the same as painting a ...