You know how people say they love the smell of rain? Turns out the scent we associate with rain isn't the rain itself, it's the smell of oils found in certain plants and soils. When rain falls on dry soil, the moisture helps release the scent of those oils into the air. So that's the earthy smell you get during/after rain. It's called petrichor.
If you look it up on Wikipedia you'll find this gem of an idea:
"Some scientists believe that humans appreciate the rain scent because ancestors may have relied on rainy weather for survival."
If you look it up on Wikipedia you'll find this gem of an idea:
"Some scientists believe that humans appreciate the rain scent because ancestors may have relied on rainy weather for survival."
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