Organic Chemistry

Found: A sweet surprise in leafy greens

Image: Dr Ethan Goddard-Borger, Walter and Eliza Hall Institute and Professor Spencer Williams, School of Chemistry, Bio21 Institute, University of Melbourne Credit: Photography from the Walter and Eliza Hall Institute.

How energy is hidden in colours

By Errol Hunt, University of Melbourne

‘Roses are red and violets are blue’ – so says the old poem.

But why are roses red? And why are violets blue? What is it that gives something its colour?

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