Is the Transition From Water to Land a Good Idea?

A colleague from Spain did an experiment like that a number of years ago, and people have tried that. But the milieu that genes are active on fish and mice is very different sometimes. We're going into the Arctic this summer, new places in the Arctic. My lab is actually getting into regeneration. So how do we regenerate organs and repair organs like lungs and limbs? And that's why I'm in this business, it's just never-ending questions.