[Ratchet eyes Miles thoughtfully for a moment but--well, if he's good enough friends with Wash and Lakshmi that they know about his seizures, he's probably all right.]

I'm not human. I mean--I'm human now, or at least it seems like I am, but I wasn't before I got here. Whatever brought me here changed me, and a few others like me. Honestly, apart from being occasionally bipedal, we're pretty much as far from humans as you can get. [He shrugs.] I kept it from the Cetagandans because I didn't want to get turned into an impromptu science experiment but I got the sense that wasn't something to be particularly vocal about here, either.