Stokes sought verification from the Canadian Conservation Institute to prove Neil's theory: the print was authentic, but the number was changed to conceal its origin. High magnification revealed disturbed paper fibers, confirming the erased number. #Picasso #ArtAuthentication #Conservation #ArtHistory #Forgery | Real Crime

Hibiscus pollen grains magnified! The spines on the surface of each grain are referred to as the “echinate” pattern. The spines allow pollen grains to adhere easily onto the insect’s body and its tiny hair-like structures (setae) to transfer them to the female flower/parts. These spines can also be found on pollen grains from the sunflower family (Asteraceae), the Morning Glory family, which includes Sweet potato (Convolvulaceae), Mallow (Malvaceae), and some of the members in the gourd family (