I for one do not understand that we do not share our discoveries with nature. After all these animal experimentations we have big debt. It would only be decent

I for one do not understand that we do not share our discoveries with nature. After all these animal experimentations we have big debt. It would only be decent to give something back. I think we already made stronger and smarter(with human brain cells) mice. What if make every wild animal smarter in the same fashion? Can we also improve photosynthesis?