CULTURAS IN VITRO
Mona Lisa smile secrets revealed: The smile on the face of the Mona Lisa is so enigmatic that it disappears when it is looked at directly, says a US scientist.
Professor Margaret Livingstone of Harvard University said the smile only became apparent when the viewer looked at other parts of the painting. [...]
The smile disappeared when it was looked at because of the way the human eye processes visual information, said Prof Livingstone.
[Não funciona comigo, continuo a ver o sorriso quando olho para ele...]