The Smell of Rain

Everyone will recognise the welcome smell of rain after a hot dry spell, but where does it come from?

It’s called ‘petrichor’ and Maggie C. found a recent article about about the science behind this ‘heaven scent’ aroma of rain: .

A fascinating short video of the high-speed photography mentioned in the article can be found here . If you really like the smell it seems that you can even buy petrichor-scented candles….