Step outside on a crisp autumn morning and you’ll notice that glittering layer of dew coating every leaf, blade of grass, and car windshield. It looks beautiful—like the world hit refresh ...

Maybe you have heard it said that it is not the heat, but the humidity that makes it so darn hot. Actually, it is the dewpoint or the measure of the amount of moisture in the air that makes it feel so ...

So, does dew really fall? We think of wet grass as something which comes from falling rain. Rain does fall of course and in some ways it's the product of the same process which makes dew. But yet it ...