Are you sure about that? Killer nanites could pose a far more urgent and terrible threat to a human being than any old neoplasm. On the slow side, maybe they'r

Are you sure about that? Killer nanites could pose a far more urgent and terrible threat to a human being than any old neoplasm. On the slow side, maybe they're as destructive as a nasty dose of prions. On the fast side, maybe they're as destructive as a blister agent like mustard gas.