I have a big question of my own.
WHY would the WG/Anyone else be trying to unlock the mysteries of the Devil Fruits?
I can only think of TWO answers to this.. and both of them are fairly frigthening to anyone in the One Piece World.
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They are attempting to find a way to artificially produce/control the power which Devil Fruits give people.
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They are looking for a way to reverse the effects of Devil Fruits by understanding how the changes take place to begin with.
If the WG could get their hands on EITHER of the above answers, then you had better believe the One Piece world may be set for a war. Imagine what would happen if they created some type of machine that could reverse the abilities of Devil Fruit.. it could lead to characters like Smoker and Luffy trying to work together to protect themselves!
Likewise, if they found a way to mass produce Devil Fruit or even control what abilities it may cause then it would be very possible for even the smallest of Marines to suddenly become Devil Fruit users and pose threats to Pirates the world over..
Either way… One Piece revovles around the use of Devil Fruit alot more than most people seem to think.. if someone is able to unlock the secrest of the Devil Fruit then the entire One Piece world may be in danger.. I guess we'll just have to wait and see..
...who knows.. "One Piece" might be knowledge about the Devil Fruit and where they came/come from. (Afterall, there is no proof anywhere that Devil Fruit still grow. If they did happen to grow, they wouldn't be so rare right? Its very likely that the lost civilization was where the Devil Fruit came from.. whatever distroyed that place would of sent the Devil Fruit adrift at sea for years..)