Protecting the people we experiment on -- "Inside the black box" : becoming and being IRB members -- Weighing risks and benefits and undue inducement -- Defining research and how good it needs to be -- What to tell subjects : battles over consent forms -- From "nitpicky" to "user-friendly" : inter-IRB variations and their causes -- Federal agencies vs. local IRBs -- The roles of industry -- The local ecologies of institutions -- Trusting vs. policing researchers -- Bad behavior: research integrity -- Researchers abroad : studies in the developing world -- Changing national policies -- Conclusions : other changes