text:  Here they were, just two arrangements of molecules in one room. If his molecules were arranged slightly differently, into a rosebud, say, or a necklace, they wouldn't bother her in the least. They might even bring her pleasure. She minimized the flood hazard mapper on her computer. The website that had moments earlier informed her that this hard-won apartment was located in the city's highest-risk flooding area, so she could Google how to kill a cockroach.