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Where Does the Smell of Rain Come From?

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Published on Aug 18, 2014

I smell a science storm a-comin'!!
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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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Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer
Katie Graham - Camera
Editing/Motion Graphics - Andrew Matthews
Gaffer - John Knudsen


Theme music:
"Ouroboros" by Kevin MacLeod

Stock images via Shutterstock

Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigita...

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Last week's video: What if there were no sharks? https://www.youtube.com/watch?v=tAzxk...

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