Mona Lisa had eyebrows afterall - Revealed!

New images uncover 25 secrets about the Mona Lisa, including proof that Leonardo da Vinci gave her eyebrows, solving a long-held mystery.

The images are part of an exhibition, "Mona Lisa Secrets Revealed," which will feature new research by French engineer Pascal Cotte and debut in the United States at the Metreon in San Francisco.

Other revelations include:

* Lace on Mona Lisa's dress
* The transparency of the veil shows da Vinci first painted a landscape and then used transparency techniques to paint the veil atop it.
* A change in the position of the left index and middle finger...