Part 8 / Conclusion used in the 1970s, this broader expertise is set to provide answers on the general relevance of GMOs for society, a recurring issue in the controversy (Boy et al., 2000). 32.2.1.2 Independence and conflicts of interest In addition to the European health crises mentioned previously (Bertheau and Davison, Introduction to this book), European citizens are calling into question the quality and independence of scientific expertise. They are concerned as much about certain biases in the expertise and conflicts of interest as lobbies in action and the 'revolving door' system of officials working in bodies of expertise. This questioning of expertise is also due to the fact that scientific expertise is a social construct, despite this being refuted by 'hard science' scientists (Motion and Doolin, 2007). This social construct is a result of the frame of the expertise, value judgements on the bodies and the values upheld by each scientist on cross-disciplinary subjects. Various authors have stressed how experts very often make decisions on subjects that are at the boundaries of their knowledge, and therefore in an uncertain environment (