Where Does the Pleasant Smell of Rain Comes From? [VIDEO]
Aug 20, 2014 10:48
Everyone loves the smell of rain. But where does it come from? The latest episode of It’s Okay to Be Smart, explains exactly just that.
If you said “from the sky,” then congratulations! You are hilarious. But it’s a lot more interesting than that. The pungent perfume that accompanies rainstorms carries special chemical signatures, some born from lightning, some from deep within the soil.
And beyond just being pleasant and nostalgic, those smells are actually useful to some living things, such as telling plants when it’s time to grow, guiding camels across the desert, and even signaling some fish when it’s time to get “romantic”.
Take a big whiff, because there’s a science storm a-comin’!
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