“You said it killed them,” she said. “But what about the girl?” “She was different.” Detective Nolan’s chair squeaked as he leaned forward. “Define ‘different.’” “I mean different. Her body, it adapted, mutated at new rates. Intestinal epithelial cells, for example, are the fastest-regenerating cells in your body. They divide and renew within days. But with the right nutrients, hers took only hours.”