Journalists walk past Leonardo da Vinci's Mona Lisa during a visit of the Louvre museum Tuesday, June 23, 2020. AP Photo/Christophe Ena, File. By JOHN LEICESTER, Associated Press ...

With her straight dark hair and beguiling smile, the so-called “Isleworth Mona Lisa” bears an uncanny resemblance to her namesake in the Louvre. To some experts, these similarities suggest the ...

Mona Lisa's famous smile might not have been genuine when she was painted by Leonardo da Vinci more than 500 years ago. Scientists wanted to investigate Lisa Gherardini's facial expression and ...

The famed Renaissance artist Leonardo da Vinci may have had the "quick eye" possessed by top tennis and baseball players, which enabled him to see and capture the enigmatic half-smile of the Mona ...

The search for the Mona Lisa bridge 04:05. Tuscany — If you manage to elbow your way past the crowds at Paris' Louvre museum to get close enough to stare into the eyes of Leonardo da Vinci's ...

The “Mona Lisa” has given up a secret. Scientists used X-rays to peer into the chemical structure of a tiny speck of the celebrated work of art. They came up with a new insight into t… ...

The “Mona Lisa” has given up a secret. FILE - Journalists walk past Leonardo da Vinci's Mona Lisa during a visit of the Louvre museum Tuesday, June 23, 2020.

In Leonardo's case, this super-vision may have enabled him to see and capture fleeting moments in his paintings — such as the enigmatic half-smile of the Mona Lisa.

The “Mona Lisa” has given up another secret. Using X-rays to peer into the chemical structure of a tiny speck of the celebrated work of art, scientists have gained new insight into the ...

The “Mona Lisa” has given up a secret. FILE - Journalists walk past Leonardo da Vinci's Mona Lisa during a visit of the Louvre museum Tuesday, June 23, 2020.

FILE – Journalists walk past Leonardo da Vinci’s Mona Lisa during a visit of the Louvre museum Tuesday, June 23, 2020. Using X-rays to peer into the chemical structure of a tiny speck of the ...