Relative humidity is a simple concept as weather phenomena go – but it has significant, far-reaching consequences for how we must take care of ourselves on a hot or wet day. Humidity is the amount of ...

The humidity may be relative, but the shock is real. Often times in the middle of a D.C. summer you hear people say, "It's not the heat... It's the humidity," and they're right. The humidity makes a ...

We know proper indoor ventilation is key to reducing the spread of Covid-19. Now, a study by MIT researchers finds that indoor relative humidity may also influence transmission of the virus. Relative ...