The rapidly increasing interest in the quantum properties of living matter stimulates a discussion of the fundamental properties of life as well as quantum mechanics. In this discussion often concepts are used that originate in philosophy and ask for a philosophical analysis. In the present work the classic philosophical tradition based on Aristotle and Aquinas is employed which surprisingly is able to shed light on important aspects. Especially one could mention the high degree of unity in living objects and the occurrence of thorough qualitative changes. The latter are outside the scope of classical physics where changes are restricted to geometrical rearrangement of microscopic particles. A challenging approach is used in the philosophical analysis as the empirical evidence is not taken from everyday life but from 20th century science (quantum mechanics) and recent results in the field of quantum biology. In the discussion it is argued that quantum entanglement is possibly related to the occurrence of life. Finally it is recommended that scientists and philosophers should be open for dialogue that could enrich both. Scientists could redirect their investigation, as paradigm shifts like the one originating from philosophical evaluation of quantum mechanics give new insight about the relation between the whole en the parts. Whereas philosophers could use scientific results as a consistency check for their philosophical framework for understanding reality.
The rapidly increasing interest in the quantum properties of living matter stimulates a discussion of the fundamental properties of life as well as quantum mechanics. In this discussion often concepts are used that originate in philosophy and ask for a philosophical analysis. In the present work the classic philosophical tradition based on Aristotle and Aquinas is employed which surprisingly is able to shed light on important aspects. Especially one could mention the high degree of unity in living objects and the occurrence of thorough qualitative changes. The latter are outside the scope of classical physics where changes are restricted to geometrical rearrangement of microscopic particles. A challenging approach is used in the philosophical analysis as the empirical evidence is not taken from everyday life but from 20th century science (quantum mechanics) and recent results in the field of quantum biology. In the discussion it is argued that quantum entanglement is possibly related to the occurrence of life. Finally it is recommended that scientists and philosophers should be open for dialogue that could enrich both. Scientists could redirect their investigation, as paradigm shifts like the one originating from philosophical evaluation of quantum mechanics give new insight about the relation between the whole en the parts. Whereas philosophers could use scientific results as a consistency check for their philosophical framework for understanding reality.
Abstract The lines separating Biology and Physics have started to blur in recent decades, leading to the emergence of the interdisciplinary field known as quantum Biology. This field looks into the possibility that basic quantum mechanical phenomena such as coherence, entanglement, tunneling, and superposition play crucial roles in biological processes that are beyond the scope of classical Physics. Biology has traditionally worked within the parameters of classical mechanics, presuming that delicate quantum effects cannot endure in the warm, humid, and cacophonous environments of living systems. But new findings in fields like photosynthesis, olfaction, avian magnetoreception, and enzyme catalysis indicate otherwise, suggesting that living things intentionally and possibly advantageously use quantum principles. From the earliest speculative theories to the most recent experimental confirmations, this book chapter methodically examines the evolution of quantum Biology. We investigate how the exceptionally high energy transfer efficiency in photosynthetic complexes particularly in the light-harvesting proteins of green sulfur bacteria and plants is supported by quantum coherence. The remarkable speed of proton transfers and enzymatic reactions during DNA replication is also investigated in relation to quantum tunneling. The chapter explores magnetoreception in migratory birds and suggests models in which sensitivity to Earth's geomagnetic field is made possible by radical pair mechanisms influenced by quantum entanglement. We also discuss the intriguing but controversial idea that quantum vibrations improve the human olfactory system's capacity for discrimination. In addition to examining particular occurrences, this research challenges more general theoretical models that seek to balance quantum mechanics with the decoherence commonly observed in biological settings. Recent developments in quantum information theory, biomimetic quantum technologies, and ultrafast spectroscopy are highlighted as essential instruments advancing empirical research. We also critically evaluate the field's methodological difficulties, the skepticism of overly optimistic interpretations, and the significant philosophical ramifications of acknowledging life as a quantum phenomenon. In conclusion, quantum Biology suggests that quantum effects are not uncommon aberrations but rather are an essential part of life, offering not only a fresh perspective for reinterpreting well-known biological processes but also the potential for a fundamental paradigm shift. Quantum biology has the potential to completely transform biotechnology, medicine, and our comprehension of consciousness and the origin of life as experimental methods advance. This chapter highlights the significance of interdisciplinary cooperation in order to completely comprehend the latest discoveries and possible future paths of quantum Biology, highlighting its revolutionary influence on our comprehension of life at the most basic levels. Key words: Quantum Biology, tunneling, avian magnetoreception, enzyme catalysis
The four antinomies of Zeno of Elea, especially Achilles and the tortoise continue to be provoking issues which are even now not always satisfactory solved. Aristotle himself used this antinomy to develop his understanding of movement: it is a fluent continuum that has to be treated as a whole. The parts, if any, are only potentially present in the whole. And that is exactly what quantum mechanics is claiming: movement is quantized in contrast to classical mechanics. The objective of this study is to show the merits of the Aristotelian approach. It is a good candidate for serving as the philosophical background for understanding fundamental aspects of quantum mechanics. Especially mentioned are the influence of the final state in quantum mechanics that in philosophy could be correlated with the final cause. Like in the work of Aristotle also in this study examples from science are presented to illustrate the philosophical approach. But, in contrast to ancient Greek, the examples now relate to issues which are only fully accessible to the scientifically trained reader. As the main conclusion the dialogue between scientists and philosophers is strongly recommended which will result in progress in both disciplines.
Quantum physics and biology have long been regarded as unrelated disciplines, describing nature at the inanimate microlevel on the one hand and living species on the other hand. Over the past decades the life sciences have succeeded in providing ever more and refined explanations of macroscopic phenomena that were based on an improved understanding of molecular structures and mechanisms. Simultaneously, quantum physics, originally rooted in a world-view of quantum coherences, entanglement, and other nonclassical effects, has been heading toward systems of increasing complexity. The present perspective article shall serve as a "pedestrian guide" to the growing interconnections between the two fields. We recapitulate the generic and sometimes unintuitive characteristics of quantum physics and point to a number of applications in the life sciences. We discuss our criteria for a future "quantum biology," its current status, recent experimental progress, and also the restrictions that nature imposes on bold extrapolations of quantum theory to macroscopic phenomena.
The Thomist 65 (2001): 223-38 QUANTUM MECHANICS: A DIALECTICAL APPROACH TO REALITY WOJCIECH P. GRYGIEL The Priestly Fraternity ofSt. Peter Wigratzbad-Opfenbach, Germany In a recent article, Wolfgang Smith states that "the ongoing deChristianization of Western society is due in large measure to the imposition of the prevailing scientistic world view."1 One need be neither a philosopher nor a scientist to notice that deChristianization makes its presence felt in every aspect of the life of a citizen in the modern West-familial, professional, cultural, and religious. Thus it opposes the two-and-a-half-millennial tradition that began in ancient Greece and achieved its full development in medieval Christian philosophy. This tradition is one of constant refinement and crystallization, continuously coupled with and catalyzed by the divine plan of salvation of mankind from the bondage of original sin. This complex phenomenon was well encapsulated by Etienne Gilson: It is hardly possible to realize the continuity that prevails through the whole history of Western culture, unless one keeps in mind the important part played by the Church in the work of its transmission. The Greek and Latin Fathers of the Church had so carefully preserved the classical notion of man that when St. Thomas Aquinas, in the thirteenth century, undertook to build up a complete exposition of Christian truth, he did not scruple to borrow for his technical equipment from the pagan Aristotle, whose logic, physics, biology, ethics and 1 W. Smith, "From Schrodinger's Cat to Thomistic Ontology," The Thomist 63 (1999): 49. 223 224 WOJCIECH P. GRYGIEL metaphysics were then transformed by his medieval disciple into as many elements of Christian synthesis.2 This Christian synthesis is central to the understanding of science as an integral part of the classical Western world view. In it all beings are perceived as purposefully ordered in their natures towards their ultimate goal, which is the glory and praise of God. In his Summa Theologiae St. Thomas writes Therefore since sacred scripture considers things insofar as they are divinely revealed, according to what has been said all things whatsoever that are able to be divinely revealed share in the one formal object of this science, and so they are included under sacred theology as under a single science.3 This position radically contradicts the currently dominant mind set that goes back at least to Descartes's decoupling of philosophical and theological wisdom, with its bifurcation of nature into res cogitans and res extensa.4 As the term extensa indicates, in Cartesian philosophy matter appears to the human mind clearly and distinctly only under the aspect of quantity. All the other Aristotelian categories of accident are thus reducible to quantity. As a result the human mind is unable to discern natures, and so is cut off from the possibility of investigating change, the object of physical science.5 The Cartesian assimilation of corporeality to pure mathematics, based on Descartes's own distrust of sense experience, has boxed science into, one could say, living a life of extension without any reference to the nature of reality. The mathematicism of Galileo, and in some ways that 2 E. Gilson, The Unity ofPhilosophical Experience (San Francisco: Ignatius Press, 1999), 221. 3 Summa Theologiae I, q. 1, a. 3. • One of the most striking examples ofscientism practically bordering on mythology is the Darwinian theory of evolution. The drastic imposition of stochasticism on the vital mechanisms of natural generation with minimal experimental evidence seems more like an attempt to carry out a deliberate philosophical agenda than an honest scientific investigation. A solid refutation of Darwinian theory based on microbiological and biochemical evidence can be found in Michael J. Behe, Darwin's Black Box: The Biochemical Challenge to Evolution (New York: Touchstone, 1996). 5 Aristotle, Physics 2.2.193b31-35. QUANTUM MECHANICS 225 of Isaac Newton, further implanted a conviction in the modern mind that physical phenomena can be accounted for simply by the use of mathematical equations. The implications of such reductionism were well summarized by Alfred North Whitehead: The laws of nature are nothing else that the observed identities of pattern persisting throughout the series of comparative observations. Thus a law of nature says something about...
Biological processes such as photosynthesis, enzymaticcatalysis, smell, and vision, which cannot be explained by the laws of classical physics, can be addressed by quantum physics, specifically biological physics, and thus be transferred to phenomena described in the health sciences. This will undoubtedly revolutionize the understanding of human life. For example, within the framework of quantum biology, consciousness and the soul are believed to be contained in microtubules, structures within brain cells. The understanding and subsequent prediction of chemical reactions responsible for the signs and symptoms of disease, and for health (homeostasis), are addressed by quantum science, which allows us to redescribe the properties of DNA and proteins. This essay presents reflections on the fundamental processes that occur in humans from a quantum perspective, a possible dialogue despite the limited number of quantum theories and the pretension of considering the complex phenomena that characterize the health sciences as classical and reductionist.
This paper examines the deep and enduring relationship between physics and philosophy, a connection that has shaped the trajectory of human inquiry from antiquity to the present. By tracing their shared historical roots, the paper emphasizes how early philosophical speculations laid the groundwork for scientific reasoning. Despite the modern institutional separation of these two disciplines, physics continues to grapple with questions that are fundamentally philosophical in nature, questions concerning the essence of time, space, causality, determinism, and the very nature of reality. The paper explores the epistemological structures that underpin scientific knowledge, such as the criteria for theory confirmation and falsifiability, and investigates the ontological assumptions embedded in classical and modern physics. Special attention is devoted to paradigm shifts in the history of science, including the contributions of figures such as Aristotle, Newton, Popper, and Kuhn, as well as the radical implications of quantum mechanics and general relativity. Through an analysis of contemporary debates, such as those surrounding interpretations of quantum mechanics, the multiverse, and the conceptual validity of string theory, the paper argues that philosophy remains indispensable for critically examining and contextualizing scientific thought. Far from being obsolete, philosophical reflection serves as a compass for navigating the conceptual challenges of physics. Ultimately, the dialogue between philosophy and physics is presented as a dynamic and reciprocal exchange, one that not only enriches both fields but is also necessary for advancing our understanding of the universe.