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The Secret of the Mona Lisa Smile: Mystery Solved? | NOVA | PBS
Is she smiling? Uncover the optical illusions and surprising science behind the Mona Lisa. Why does the Mona Lisa's smile seem to vanish? Discover how Leonardo da Vinci mastered the science of human perception to create his greatest illusion. Watch the full documentary, "Decoding da Vinci" https://www.pbs.org/wgbh/nova/video/decoding-da-vinci ...
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