There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

Keeping your home’s humidity in the 40% to 60% range could make it harder for flu viruses to spread.

Imagine you’re sitting among friends on the porch with a big pitcher of ice cold lemonade. The heat is searing and the air is still and stifling. It’s almost hard to breathe. You look to your friends ...