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How did cochineal beetles end up in Titian's painting? Join David Peggie, senior scientist at the National Gallery, for our chemistry of colour series, as we look at red lakes in the painting 'Diana and Callisto'.
Chemistry of colour
Journey through a spectrum of colours with our Scientific Department as we explore some of the different pigments used in our paintings.
Learn about some of the weird and wonderful ways pigments were historically produced, and see how we identify them today.