Technological systems become organized by commands from outside, as when human intentions lead to the building of structures or machines. But many nat- ural systems become structured by their own internal processes: these are the self- organizing systems, and the emergence of order within them is a complex phe- nomenon that intrigues scientists from all disciplines. Unfortunately, complexity is ill-defined. Global explanatory constructs, such as cybernetics or general sys- tems theory, which were intended to cope with complexity, produced instead a grandiosity that has now, mercifully, run...
Technological systems become organized by commands from outside, as when human intentions lead to the building of structures or machines. But many nat...
As society has become increasingly aware of the potential threats to human health due to exposures to toxic chemicals in the environment and the workplace and in consumer products, it has placed increased demands upon the still-fledgling science of toxicology. As is often the case when science is called upon to supply firm answers when pertinent information and fundamental knowledge are lack- ing, both the scientific and the social issues become confused and new tensions develop. One of the major purposes of this book is to focus on those aspects of the science of toxicology that pertain most...
As society has become increasingly aware of the potential threats to human health due to exposures to toxic chemicals in the environment and the workp...