A discussion of the implications for philosophy of recent experimental results that confirm some counterintuitive aspects of the way matter behaves. The authors show that a generalised principle of complementarity is pervasive not only in physical theories such as cosmological models of the universe, but also in the construction of all human realities. They discuss in detail Bells inequalities for quantum mechanical measurements as well as recent experiments which imply that even remote parts of the universe are "entangled." They go on to suggest that consciousness can no longer be divorced from the way science operates, and conclude by claiming that this entails a new way