Hexenal: Chemistry in its element

For many, it's the smell of spring and summer. But hexenal - responsible for the aroma of freshly cut grass - makes Simon Cotton think of cricket...
27 November 2013
Presented by Meera Senthilingam

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For many, it's the smell of spring and summer. But hexenal - responsible for the aroma of freshly cut grass - makes Simon Cotton think of cricket.

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