One Piece Manga released One Piece Chapter 1067 which reveal the origins of Devil Fruits and how they work. We also learn that Dr.Vegapunk has eaten the Brain-Brain Devil fruit, which allows him to have infinite amount of brain storage. Meaning he can store an infinite amount of knowledge and remember it for as long as he lives. The only down side to this is that his Brain also grows the more he learns and it eventually grew to almost the size of a giant. We go over how Dr.Vegapunk was able to create artificial devil fruits like the one Momonosuke ate, as well as the truth on how Devil Fruit are created and how they truly work.