Lex and these nerds are stoked about getting off earth. News flash! We evolved to survive on earth. Earth environment is really hard to replicate. These nerds are gonna re-engineer people to make them survive inhospitable environments. But that means those things aren’t ‘people’ anymore. All this talk ends in doing gain of function on people, and making smart monsters that can survive gnarly shit.,(reply>), What’s easier, changing a whole planet, or changing the creatures you want to live on it?