gallstones. >> he did that test to see what genetic illnesses i was predisposed to, to see what kind of things might shorten the length of my life no matter what i did. >> what if you could fix that problem, correct it as an adult or correct it before you're even born? >> turns out in the future even the information hard wired into our genetic code will be something you can change. >> how are you doing? >> hey, morgan. good to see you. >> austin heinz is the ceo of cambrian genomics. a startup. but he's also the leading innovator and a bona fide bio hacker. >> you're literally printing genes here? >> we're literally printing life. >> so if there's some gene that's messed up in my body that may lead to an early demise -- >> we make the dna to fix the mistake. >> that's crazy. >> so you can take out what's existing and put in what you want.