Scientists unlock the Da Vinci code by examining one of his artworks
In their quest for answers, scientists collected tiny flakes of skin, sweat residue, fibres, pollen and dust from the drawing and letters penned by Leonardo’s relatives, which are held in Italian archives.
Article source: https://www.express.co.uk/news/science/2158280/scientists-may-have-found-leonardo-da-vinci-s-dna-holy-child-artwork