One Piece Manga and Anime — Vol. 77 Chapter 766 (p. 3) and Episode 705, Diez Barrels stating how much Marines were willing to spend on the Ope Ope no Mi. Surprisingly, Vegapunk explanation is extremely similar to Willie Gallon's beliefs which were reveled about six years prior to Oda's statement, and 21 years prior to Vegapunks' explanation.

SBS One Piece Manga — Vol. 48 (p. 166), "For more detail, you'll just have to wait for a certain professor to make his appearance in the story, and explain exactly what the Devil Fruits REALLY are... eventually." Despite being a weak character, Orochi ate a very powerful Zoan Fruit (Image via Toei Animation, One Piece) Dr. Vegapunk, a Marine scientist and the world’s most prominent researcher of Devil Fruits, is heavily responsible for researching the effects and origins of Devil Fruits, as well as their interactions with Seastone. Vegapunk was the one who discovered that Devil Fruits work by affecting the Lineage Factor.

Within the range of his Ope-Ope powers, Law can do crazy things (Image via Toei Animation, One Piece) One Piece Manga and Anime — Vol. 40 Chapter 385 (p. 5) and Episode 271, Jabra tries to stop Kaku and Kalifa from eating Devil Fruits by telling them how bad they taste. There is a method that would allow one to steal the Devil Fruit powers from the dead body of a deceased Devil Fruit user. The details of this method are currently unknown. The only ones who know this method are Marshall D. Teach and his crew.

One Piece Movie — One Piece Film: Gold, Tesoro loses control over the gold when seawater splashed onto them.

One Piece Manga and Anime — Vol. 57 Chapter 552 (p. 18) and Episode 462, Sengoku claims Whitebeard has the power to destroy the world.