delicate spirals of smoke trail up from them . there were the guys , six big athlete guys who sat together , punching each other . newton turned back to the journal . as if feeling her disappointment , he shook his head . so much time had passed , i was sure you 'd failed ! '' the man at the monitor hit several keys then looked back at the first man and said , `` without killing the subject or the host we can safely get to roughly twenty times the standard by the time of birth . '' 