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"I really like chocolate milk." It's important she know this up front. "Food experimentation kicks?" This does concern him, but it's also interesting. Peter approaches most things with a certain amount of curiosity.
He's content to trust her and follow since he hasn't figured out exactly where everything is in relation to everything else "Right. It's got medical uses though. When a person gets Parkinson's disease it's because they've started to lose the cells in their brain that produce dopamine. The zebrafish can regenerate cells. If we could give a Parkinson's patient that ability, they wouldn't have Parkinson's anymore. Certain lizards and starfish can regrow their tails and limbs. If we could give a war veteran that's lost a limb that ability, they wouldn't need prosthetics." He hesitates and nods. "Yeah...it's a pretty delicate balance, but I've heard there's at least one case where it did work. It was just sort...accidental and we're not sure how to replicate it."