Many people believe that you should keep your head covered during cold weather, as most body heat is lost through the head. It’s certainly true that any part of your body that’s exposed to cooler air will lose warmth; heat always moves from something warm to something cooler (that’s called the second law of thermodynamics). And our heads and faces are more sensitive to changes in temperature than other parts of the body.
If you ask people if they know the name ‘de Mille’, some will say they’ve heard of Hollywood producer Cecil de Mille, some might even know his brother William de Mille, but not many will have heard of William’s daughter. Which is a shame, because Agnes De Mille was a fascinating woman.