01/14/2013 11:54 am ET Updated Mar 16, 2013

Sunflowers Wilt: Van Gogh's Masterpiece Is Slowly Turning Brown As A Result Of Exposure To LED Lighting

They are some of his best-known work and the colour yellow was, for Vincent van Gogh, a symbol of happiness. So the idea that any of his series of vivid masterpieces -- Sunflowers -- is slowly turning brown would surely have been painful to the Dutch painter.
The renowned canvases are among dozens of great works that are said to be changing colour, and now scientists have revealed that this is due to exposure to energy-efficient lights installed in art galleries and museums across the world.

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