Users on an anonymous image board discovered there appears to be a sperm cell drawn onto Barack Obama's forehead in his official presidential portrait, which now hangs in the Smithsonian Institution's National Portrait Gallery.
Some may simply discount it as a vein, but oddly enough the artist who painted this portrait, Kehinde Wiley, has a history of adding semen into his art:
https://static.wixstatic.com/media/2...18cd0d~mv2.png
https://www.newsmediawatchdog.com/si...n-His-Forehead