Well, that's just a shame. When Ravi thinks about the future, he wants to believe that all the impossible things they can't do now might be a possibility, but he supposes that he can't go wildly crazy, not really. "Where does the skin come from?" he asks, because that seems to be the one thing that sticks in his mind, even as she explains. "Does it just have a lot of skin in a compartment somewhere? What if it's the wrong colour?" he jokes.

"Actually, come to think of it, if you've got all that, what's med school like?" he wonders. "Do you have less to do because machines do it now? Is it more technology than medicine, when it comes to learning?"