Wednesday, 17 December 2014

A video clip that caught my attention


 https://www.youtube.com/watch?v=PDrElHWBT6A&noredirect=1
Hope you like the video!
Three Things I learnt (From Research and the video):
- One of these odors, called "petrichor," lingers when rain falls after a prolonged dry spell
- Petrichor was coined in 1964 by two Australian scientists studying the smells of wet weather is derived from a pair of chemical reactions.
-  Pertrichor is the scent of rain on dry earth, also known as the scent of dust after rain

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