Kirjahaku

How did life start? Is the evolution of life describable by any physics-like laws? Stuart Kauffman's latest book offers an explanation-beyond what the laws of physics can explain-of the progression from a complex chemical environment to molecular reproduction, metabolism and to early protocells, and further evolution to what we recognize as life. Among the estimated one hundred billion solar systems in the known universe, evolving life is surely abundant. That evolution is a process of "becoming" in each case. Since Newton, we have turned to physics to assess reality. But physics alone cannot tell us where we came from, how we arrived, and why our world has evolved past the point of unicellular organisms to an extremely complex biosphere. Building on concepts from his work as a complex systems researcher at the Santa Fe Institute, Kauffman focuses in particular on the idea of cells constructing themselves and introduces concepts such as "constraint closure." Living systems are defined by the concept of "organization" which has not been focused on in enough in previous works. Cells are autopoetic systems that build themselves: they literally construct their own constraints on the release of energy into a few degrees of freedom that constitutes the very thermodynamic work by which they build their own self creating constraints. Living cells are "machines" that construct and assemble their own working parts. The emergence of such systems-the origin of life problem-was probably a spontaneous phase transition to self-reproduction in complex enough prebiotic systems. The resulting protocells were capable of Darwin's heritable variation, hence open-ended evolution by natural selection. Evolution propagates this burgeoning organization. Evolving living creatures, by existing, create new niches into which yet further new creatures can emerge. If life is abundant in the universe, this self-constructing, propagating, exploding diversity takes us beyond physics to biospheres everywhere.

In the hard sciences, which can often feel out of grasp for many lay readers, there are "great thinkers" who go far beyond the equations, formulas, and research. Minds such as Stephen Hawking philosophize about the functions and nature of the universe, the implications of our existence, and other impossibly fascinating, yet difficult questions. Stuart A. Kauffman is one of those great thinkers. He has dedicated his lifetime to researching "complex systems" at prestigious institutions and now writes his treatise on the most complex system of all: our universe. A recent Scientific American article claims that "philosophy begins where physics ends, and physics begins where philosophy ends," and perhaps no better quote sums up what Kauffman's latest book offers. Grounded in his rigorous training and research background, Kauffman is inter-disciplinary in every sense of the word, sorting through the major questions and theories in biology, physics, and philosophy. Best known for his philosophy of evolutionary biology, Kauffman coined the term "prestatability" to call into question whether science can ever accurately and precisely predict the future development of biological features in organisms. As evidenced by the title's mention of creativity, the book refreshingly argues that our preoccupation to explain all things with scientific law has deadened our creative natures. In this fascinating read, Kauffman concludes that the development of life on earth is not entirely predictable, because no theory could ever fully account for the limitless variations of evolution. Sure to cause a stir, this book will be discussed for years to come and may even set the tone for the next "great thinker."

In what will certainly be one of the key works in the emerging science of complexity, Kauffman here presents a brilliant new paradigm for evolutionary biology. It extends the basic concepts of Darwinian evolution to accommodate recent findings and perspectives from the fields of biology, physics, chemistry, and mathematics. The book drives to the heart of the exciting debate on the origins of life and maintenance of order in complex biological systems. It focuses on the concept of self-organization - the first time this concept has been incorporated into evolutionary theory. The book shows how complex systems, contrary to expectations, can spontaneously exhibit stunning degrees of order, and how this order in turn is essential for the emergence and development of life on Earth. Origins of Order will advance our understanding of evolution and provoke considerable discussion among evolutionary, molecular, and developmental biologists.

Kirjoittaja tuo tällä teoksella oman panoksensa uskontoa, jumaluutta ja pyhyyttä koskevaan keskusteluun. Moderni tutkimus on löytänyt kokonaan uusia tapoja tarkastella maailmankaikkeutta ja Kauffman esittelee niitä alkaen solubiologiasta ja ulottuen talouteen ja mielen filosofiaan.