The Mystery of the Mona Lisa’s Smile: What Her Face Reveals

83% happy according to software, a smile that slips away when you look at it, two halves of a face that disagree: what science and synergology say about the Mona Lisa’s smile.

83% happy according to software, a smile that slips away when you look at it, two halves of a face that disagree: what science and synergology say about the Mona Lisa’s smile.