Scientists have discovered a new secret about how Leonardo da Vinci painted his enigmatic masterpiece, “The Mona Lisa.” The innovative Renaissance painter invented a unique chemical formula for the ...

PARIS (AP) — 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 ...

(CNN) - Leonardo da Vinci’s paintings may have had a secret ingredient. According to a new study, “old masters” like da Vinci, Sandro Botticelli and Rembrandt may have used egg yolk in their oil ...

"Old Masters" such as Leonardo da Vinci, Sandro Botticelli and Rembrandt may have used proteins, especially egg yolk, in their oil paintings, according to a new study. Trace quantities of protein ...