Known as La Gioconda in Italian, Mona Lisa appears to many to be smiling coyly at first, but then appears to actually be sneering mockingly or sadly the longer one looks. Using a black-and-white ...

The following is an excerpt from Leonardo da Vinci by Walter Isaacson. There are many portraits, including Leonardo’s earlier La Belle Ferronnière, in which the subject’s eyes appear to move as the ...

Mona Lisa's smile, possibly the most widely observed and scrutinized grin in history, might just be a "lie," scientists say. An international team of researchers examined the symmetry of the ...

Mona Lisa's enigmatic smile could be a trick of the light, according to new research on visual noise. Visual noise is a poorly understood part of the daily input into our minds, equivalent of snow ...

Mona Lisa's enigmatic smile could be a trick of the light, according to new research on visual noise. Visual noise is a poorly understood part of the daily input into our minds, equivalent of snow ...