Slow-motion video of raindrops reveals how rain gets its distinctive smell
the title for the post article is unfortunate, rain gets its distinctive smell largely from geosmin:  <a href="https://en.wikipedia.org/wiki/Geosmin" rel="nofollow">https://en.wikipedia.org/wiki/Geosmin</a><p>this is just the mechanism by which rain's smell is particularly <i>intense</i>.