front cover of In Search of Mechanisms
In Search of Mechanisms
Discoveries across the Life Sciences
Carl F. Craver and Lindley Darden
University of Chicago Press, 2013
Neuroscientists investigate the mechanisms of spatial memory. Molecular biologists study the mechanisms of protein synthesis and the myriad mechanisms of gene regulation. Ecologists study nutrient cycling mechanisms and their devastating imbalances in estuaries such as the Chesapeake Bay. In fact, much of biology and its history involves biologists constructing, evaluating, and revising their understanding of mechanisms.
           
With In Search of Mechanisms, Carl F. Craver and Lindley Darden offer both a descriptive and an instructional account of how biologists discover mechanisms. Drawing on examples from across the life sciences and through the centuries, Craver and Darden compile an impressive toolbox of strategies that biologists have used and will use again to reveal the mechanisms that produce, underlie, or maintain the phenomena characteristic of living things. They discuss the questions that figure in the search for mechanisms, characterizing the experimental, observational, and conceptual considerations used to answer them, all the while providing examples from the history of biology to highlight the kinds of evidence and reasoning strategies employed to assess mechanisms. At a deeper level, Craver and Darden pose a systematic view of what biology is, of how biology makes progress, of how biological discoveries are and might be made, and of why knowledge of biological mechanisms is important for the future of the human species.
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front cover of Mechanism
Mechanism
A Visual, Lexical, and Conceptual History
Domenico Bertoloni Meli
University of Pittsburgh Press, 2019
The mechanical philosophy first emerged as a leading player on the intellectual scene in the early modern period—seeking to explain all natural phenomena through the physics of matter and motion—and the term mechanism was coined. Over time, natural phenomena came to be understood through machine analogies and explanations and the very word mechanism, a suggestive and ambiguous expression, took on a host of different meanings. Emphasizing the important role of key ancient and early modern protagonists, from Galen to Robert Boyle, this book offers a historical investigation of the term mechanism from the late Renaissance to the end of the seventeenth century, at a time when it was used rather frequently in complex debates about the nature of the notion of the soul. In this rich and detailed study, Domenico Bertoloni Meli focuses on strategies for discussing the notion of mechanism in historically sensitive ways; the relation between mechanism, visual representation, and anatomy; the usage and meaning of the term in early modern times; and Marcello Malpighi and the problems of fecundation and generation, among the most challenging topics to investigate from a mechanistic standpoint.
 
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The New Biology
A Battle between Mechanism and Organicism
Michael J. Reiss
Harvard University Press, 2023

In this accessible analysis, a philosopher and a science educator look at biological theory and society through a synthesis of mechanistic and organicist points of view to best understand the complexity of life and biological systems.

The search for a unified framework for biology is as old as Plato’s musings on natural order, which suggested that the universe itself is alive. But in the twentieth century, under the influence of genetics and microbiology, such organicist positions were largely set aside in favor of mechanical reductionism, by which life is explained by the movement of its parts. But can organisms truly be understood in mechanical terms, or do we need to view life from the perspective of whole organisms to make sense of biological complexity?

The New Biology argues for the validity of holistic treatments from the perspectives of philosophy, history, and biology and outlines the largely unrecognized undercurrent of organicism that has persisted. Mechanistic biology has been invaluable in understanding a range of biological issues, but Michael Reiss and Michael Ruse contend that reductionism alone cannot answer all our questions about life. Whether we are considering human health, ecology, or the relationship between sex and gender, we need to draw from both organicist and mechanistic frameworks.

It’s not always a matter of combining organicist and mechanistic perspectives, Reiss and Ruse argue. There is scope for a range of ways of understanding the complexity of life and biological systems. Organicist and mechanistic approaches are not simply hypotheses to be confirmed or refuted, but rather operate as metaphors for describing a universe of sublime intricacy.

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front cover of The Restless Clock
The Restless Clock
A History of the Centuries-Long Argument over What Makes Living Things Tick
Jessica Riskin
University of Chicago Press, 2016
Today, a scientific explanation is not meant to ascribe agency to natural phenomena: we would not say a rock falls because it seeks the center of the earth. Even for living things, in the natural sciences and often in the social sciences, the same is true. A modern botanist would not say that plants pursue sunlight. This has not always been the case, nor, perhaps, was it inevitable. Since the seventeenth century, many thinkers have made agency, in various forms, central to science.

The Restless Clock examines the history of this principle, banning agency, in the life sciences. It also tells the story of dissenters embracing the opposite idea: that agency is essential to nature. The story begins with the automata of early modern Europe, as models for the new science of living things, and traces questions of science and agency through Descartes, Leibniz, Lamarck, and Darwin, among many others. Mechanist science, Jessica Riskin shows, had an associated theology: the argument from design, which found evidence for a designer in the mechanisms of nature. Rejecting such appeals to a supernatural God, the dissenters sought to naturalize agency rather than outsourcing it to a “divine engineer.” Their model cast living things not as passive but as active, self-making machines.

The conflict between passive- and active-mechanist approaches maintains a subterranean life in current science, shaping debates in fields such as evolutionary biology, cognitive science, and artificial intelligence. This history promises not only to inform such debates, but also our sense of the possibilities for what it means to engage in science—and even what it means to be alive.
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