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Dept of Ideas: A Little NaOH Makes Flowers Vivid

By David Schonauer   Thursday April 12, 2018

Most red, blue, or purple flowers contain pigments called anthocyanins, whose colors are sensitive to pH (the acidity or basicity of an aqueous solution), notes production group Beauty of Science, which creates science-education content. The company's new film, a Vimeo Staff Pick, features flowers doused in saturated sodium hydroxide (NaOH) solutions and then photographed with macro lenses and a microscope.

Read the whole story at Vimeo.

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