Where Does the Smell of Rain Come From?

Where Does the Smell of Rain Come From Is it Form Rain Or From Sand ?

  It's Okay To Be Smart

Published on 18 Aug 2014

I smell a science storm a-comin'!!

↓ More info and sources below ↓

References:
“Nature of Argillaceous Odor” (1964) http://www.nature.com/nature/journal/...
“Petrichor and Plant Growth” (1965)
http://www.nature.com/nature/journal/...
Human nose can detect a trillion smells
http://news.sciencemag.org/biology/20...
Petrichor and fish spawning
http://onlinelibrary.wiley.com/doi/10...
Camels seek out wet soil smells
http://www.theguardian.com/science/20...
Chemistry of petrichor:
http://cen.acs.org/articles/91/i18/Sc...
http://www.itsokaytobesmart.com/post/...
http://www.scientificamerican.com/art...
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