[Marty, thinking hard] Yeah, I'm pretty sure that's right. Doc?

[Doc, thoughtful] Physicist, not biologist, but yes, I recall that too from my own studies. And I guess you would know better than any of us with your -- unique talents?

[Alice, with a mirthless laugh] Let's hope none of them ever show up here and start pestering you then. The anti-violence field may protect you from guns and whatnot, but probably not from annoyance.