In this book Jonathan Lowe offers a lucid and wide-ranging introduction to the philosophy of mind. Using a problem-centred approach designed to stimulate as well as instruct, he begins with a general examination of the mind-body problem and moves on to detailed examination of more specific philosophical issues concerning sensation, perception, thought and language, rationality, artificial intelligence, action, personal identity and self-knowledge. His discussion is notably broad in scope, and distinctive in giving equal attention to deep metaphysical questions concerning the (...) mind and to the discoveries and theories of modern scientific psychology. It will be of interest to any reader with a basic grounding in modern philosophy. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Knowledge and Faıth in Thomas Aquinas by John I. JenkinsE.J. AshworthJohn I. Jenkins. Knowledge and Faıth in Thomas Aquinas. Cambridge: Cambridge University Press, 1997. Pp. xv + 267. Cloth, $59.95.There is a strong tension in the thought of Thomas Aquinas. On the one hand, he is strongly naturalist. He insists that our cognition is rooted in sense-perception and that [End Page 673] it is normally reliable. He insists (...) that our moral life is grounded in our nature both as physical beings, able to feel pain and pleasure, and as social beings, depending on each other for our welfare. But he is also strongly supernaturalist. Human nature by virtue of its cognitive orientation toward the physical is not able through its own powers to know God. Still less is human nature able to achieve moral virtue by its own powers. This is not just because we are cut off from God by original sin; rather, there is a primal lack that was there even before the Fall. To achieve our true end, both cognitive and moral, we depend on God’s free gift of grace which elevates our nature and renders it able both to know God through the beatific vision in Heaven and to respond to God through loving, virtuous action. The gift of faith becomes central to human nature and destiny in a way that was to worry later thinkers such as Duns Scotus, who pertinently asked how our intellect can have the ultimate end of knowing God if it has to be made a different intellect before it achieves that end.Jenkins does not worry about the point raised by Scotus. Instead, he sets out to give an interpretation of the Summa theologiae which will help us understand more deeply the interplay between the natural and the supernatural in Aquinas. He begins by taking advantage of new readings of Aristode’s Posterior Analytics which present Aristode’s account of the demonstration which moves from cause to effect, not just as a pedagogic device for presenting material obtained by moving from effect to cause, but as a recipe for cognitive restructuring. Certainly we have to begin with mere observation, and with the piecemeal discovery of causes, but to achieve true scıentia (to use the medieval Latin term for organized, necessary knowledge) we need to acquire a new vision of how reality is structured and to see how effects flow necessarily from their causes. True demonstration is an expression of this new vision. Jenkins applies this reading of Aristotle to Aquinas. He takes with absolute seriousness Aquinas’s claim at the beginning of the Summa theologıae that theology too is an Aristotelian scientıa, and he sees the work as presenting a recipe for the cognitive restructuring of apprentice theologians (those to whom the work is addressed).The scientıa of the Summa theologiae differs from the scientia of the Posterior Analytics in two ways. First, Aquinas allows the term scientia to have an extended sense, so that God too can have scientia, even though he does not move from principles to conclusions by a process of syllogistic demonstration, but instead grasps all that is knowable in one simple act. Second, the basic principles which are the foundation of theological demonstration are the articles of faith, especially those of the creeds, which cannot be known by us in any naturalistic way. It is through God’s infused light that we assent to these articles as divinely revealed. After a lengthy examination of the role of faith in Aquinas’s account, Jenkins describes the epistemology involved as supernatural externalism.Although Jenkins’s presentation of the relationship between scientıa and faith in the Summa is carefully and lucidly argued, there are two aspects of the book that I would question.First, while it is true that Aquinas does present theology as an Aristotelian scientia, I doubt that this single fact “determines the purpose and structure of the Summa theologiae” (15) in any very detailed way. Jenkins further claims that the structure of the Summa is determined by the structure of God’s knowledge (220), but if God is truly [End... (shrink)

The purpose of this work is to analyse the cognitive process of the domain theories in terms of the measurement theory to develop a computational machine learning approach for implementing it. As a result, the relational data mining approach, the authors proposed in the preceding books, was improved. We present the approach as an implementation of the cognitive process as the measurement theory perceived. We analyse the cognitive process in the first part of the paper and present the theory and (...) method of the logically most powerful empirical theory discovery in the second. The theory is based on the notion of law-like rules, which conform to all the properties of laws of nature, namely generality, simplicity, maximum refutability and minimum number of parameters. This notion is defined for deterministic and probabilistic cases. Based on the method, the discovery system is developed. The system was successfully applied to many practical tasks. (shrink)

While agreeing with Poteat that the modern Western culture has gone awry in a humanly destructive way, the paper contends tha the culprit was not, as Poteat claims, Enlightenment critical philosophy, but the materialistic values of the bourgeois form of life and the puritanical view of knowledge and the naturalistic worldview that they generated. Accordingly, the solution proposed is not Poteat's unreflected experience and commonsense worldview but a shift to a humanistic culture-generating stance and a critical humanistic philosophy.

The papers in Richard Vallée's Words and Contents span twenty-one years. The author navigates the discovery and exploration of different expressions and perspectives on language in this volume. Beginning with referring expressions and later addressing context sensitivity, the book examines how specific words contribute to the contents of utterances and the philosophical issues that surround them.

A group of thirteen essays, most of them being either meta-philosophical or metaphysical. The latter group can be seen as applying the theme Wisdom plays so often in the former group and in his previous works: the comparison of one type of statement with another, leading to discoveries which resolve philosophical paradoxes but which can, if misused, engender new ones. Of special interest: "Religious Belief" and "The Metamorphosis of Metaphysics." The price of this volume is unfortunate, as is the printing (...) job.—A. E. J. (shrink)

The development of X-ray diffraction photography was central to the discovery of the helical structure of DNA in 1953. Unfortunately the story of how this technique was developed receded into the background as subsequent attention focused on the moment of discovery by Watson and Crick. As a result the importance of photography as ‘data’ and the role it plays in scientific discovery is underplayed. We seek to rectify this situation by presenting this story and by drawing conclusions (...) about the importance of this form of photography in scientific investigation as well as for the insights it gives us regarding the process of discovery. (shrink)

William Whewell is considered one of the most important nineteenth-century British philosophers of science and a contributor to modern philosophical thought, particularly regarding the problem of induction and the logic of discovery. In this volume, Robert E. Butts offers selections from Whewell's most important writings, and analysis of counter-claims to his philosophy.

Organizations are increasingly embedded with consultants and other non-employees who have the opportunity to engage in wrongdoing. However, research exploring the reporting intentions of employees regarding the discovery of wrongdoing by consultants is scant. It is important to examine reporting intentions in this setting given the enhanced presence of consultants in organizations and the fact that wrongdoing by consultants changes a key characteristic of the wrongdoing. Using an experimental approach, the current paper reports the results of a study examining (...) employees' reporting intentions subsequent to their discovery of wrongdoing by a consultant. The results of the study indicate that perceptions about the seriousness of a wrongdoing, personal costs and personal responsibility related to reporting a wrongdoing, and moral-equity judgments are significantly associated with reporting intentions for a normal reporting channel. Only perceptions of seriousness and personal costs are significantly associated for an anonymous reporting channel. Lastly, while personal costs for the anonymous reporting channel were lower than the normal reporting channel, reporting intentions were similar across the two channels. (shrink)

Those of us who were made to study Pride and Prejudice at school know that Darcy represents pride and Elizabeth represents prejudice. Those of us who have actually read the book know that the situation is a good deal more complicated than that. The motivation for a significant part of the action is Elizabeth's pride, a point that is made quite clearly and is recognized by Elizabeth herself in what sounds like a thoroughly rehearsed speech: ‘How despicably have I acted!’ (...) she cried.—‘I, who have prided myself on my discernment!—I, who have valued myself on my abilities! who have disdained the generous candour of my sister, and gratified my vanity, in useless or blameable distrust.—How humiliating is this discovery!—Yet, how just a humiliation!—Had I been in love, I could not have been more wretchedly blind. But vanity, not love, has been my folly.—Pleased with the preference of one, and offended by the neglect of the other, on the very beginning of our acquaintance, I have courted prepossession and ignorance, and driven reason away, where either were concerned. Till this moment, I never knew myself’. (shrink)

Translational research in medicine requires researchers to identify the steps to transfer basic scientific discoveries from laboratory benches to bedside decision-making, and eventually into clinical practice. On a parallel track, philosophical work in ethics has not been obliged to identify the steps to translate theoretical conclusions into adequate practice. The medical ethicist A. Cribb suggested some years ago that it is now time to debate ‘the business of translational’ in medical ethics. Despite the very interesting and useful perspective on the (...) field of medical ethics launched by Cribb, the debate is still missing. In this paper, I take up Cribb’s invitation and discuss further analytic distinctions needed to base an ethics aiming to translate between theory and practice. (shrink)

Despite the periodic table having been discovered by chemists half a century before the discovery of electronic structure, modern designs are invariably based on physicists’ definition of periods. This table is a chemists’ table, reverting to the phenomenal periods that led to the table’s discovery. In doing so, the position of hydrogen is clarified.

This article argues that the limited influence of Ludwik Fleck's ideas on philosophy of science is due not only to their indirect dissemination by way of Thomas Kuhn, but also to an incommensurability between the standard conceptual framework of history and philosophy of science and Fleck's own more integratedly historico-social and praxis-oriented approach to understanding the evolution of scientific discovery. What Kuhn named "paradigm" offers a periphrastic rendering or oblique translation of Fleck's Denkstil/Denkkollektiv , a derivation that may also (...) account for the lability of the term "paradigm". This was due not to Kuhn's unwillingness to credit Fleck but rather to the cold war political circumstances surrounding the writing of The Structure of Scientific Revolutions . Following a discussion of Fleck's anatomical allusions, I include a brief discussion of Aristotle (on menstruation and darkened mirrors) and conclude with a reference to the productivity of error in Mach and Nietzsche. (shrink)

What general conclusions can be drawn about the reception of zymase, its relation to the larger shift from a protoplasm to an enzyme theory of life, and its status as a social phenomenon?The most striking and to me unexpected pattern is the close correlation between attitude toward zymase and professional background. The disbelief of the fermentation technologists, Will, Delbrück, Wehmer, and even Stavenhagen, was as sharp and unanimous as the enthusiasm of the immunologists and enzymologists, Duclaux, Roux, Fernback, and Bertrand, (...) and of Pfeffer, the experimental plant physiologist. Other skeptics—Voit, Kupffer, and Fischer—were conservatives in traditional fields. In all these cases it seems clear that professional commitments and outlook profoundly influenced the reception of zymase.In some cases there is a correlation with a specific earlier statement favoring the protoplasm theory or predicting a fermentation enzyme. Reynolds Green is a striking case of both. In 1893 he stated his belief that life processes in higher plants and fungi were identical, both being mediated by protoplasm.109 Thus he claimed that digestion was not carried out by enzymes, as in higher animals, but by the whole protoplasm, and so too fermentation in yeast: “All the metabolic processes must be carried out in the unicellular organism in the same mass of protoplasm.”110 But Green also insisted that there was no essential difference between “organized” and “unorganized ferments”; enzymes were simply more highly differentiated and specialized forms of primitive protoplasm. He spoke of “the alcoholic ferment” (that is, enzyme), and of intracellular enzymes—very advanced beliefs for 1893. Thus it is understandable why Green saw no reason to doubt his first negative results with yeast juice, and rushed into print. But it is also understandable that he persisted and soon became an outspoken advocate of Buchner's view; like Wroblewski and Pfeffer, he had already accepted the idea of an intracellular fermentation enzyme.The physiological chemists also fit the pattern in a special way. Physiological chemistry is generally regarded as the source of biochemistry; indeed, many early biochemists were trained in physiological chemistry, and imbibed there a progressive interest in enzymes and metabolism. It is not surprising, therefore, that on the whole Neumeister, Madfadyen, Wroblewski, and Loew accepted cell-free fermentation. But what is surprising, and significant, is the diversity of opinion in this group, from Abeles' living protoplasm to Wroblewski's organized array of active proteins. The feelings of the physiological chemists were mixed, and there was enough of the old protoplasm view in Macfadyen's and even Wroblewski's views to allow Buchner to see them as attacks on zymase. The ideas of physiological chemistry were also changing; the idea of protoplasm was already adjusting to the new interest in enzymes in the early 1890's. But in contrast to immunochemistry, the change in physiological chemistry was gradual, uneven, undramatic, and relatively invisible. For the new biochemistry, the tradition of physiological chemistry was the source of traditional conservatism as well as of new ideas of enzymes.In general, then, I claim that it was not experimental facts that determined attitudes toward zymase so much as previous commitments, experience, and expectations. Initially, at least, zymase was less a determinant of opinion than a touchstone of pre-existing opinion. Like a prism, it revealed the spectrum of existing attitudes toward vital phenomena.Also relevant here is the fact that the experimental evidence was entirely ambiguous; the interpretation of Buchner's experiments with antiseptics or dried yeast depended entirely on how far one was willing to stretch the scope of the terms “protoplasm” and “enzyme”. Likewise, how important one judged the instability of zymase to be, or the low level of in vitro activity, depended largely on one's point of view. There was no crucial experiment, no certain proof. Logically zymase could be regarded as protoplasm. A. Fischer did so in 1900;111 Macfadyen was still wavering in 1907;112 and Beijerinck was holding out as late as 1916.113 There were undoubtedly others. Besides the special case of Reynolds Green and the technologists, there are no recorded cases of conversion.But if there was no evidence to convert a dedicated protoplasmist, there was plenty to encourage a dedicated belief in the enzyme theory, and that, I believe, is precisely what happened. The arguments of Buchner et al in support of zymase had the greatest effect not on the protoplasmists but on those who were already predisposed toward the biochemical view. The zymase debate enabled the emerging group of biochemists to recognizethemselves as a group with a community of out-look and objectives; it brought the issue of protoplasm vs. enzyme into the open and gave it a specific and concrete issue on which to turn. The debate sharpened the biochemists' awareness that their point of view was becoming the new mainstream of biochemical thought.All this of course had an important secondary effect on those who opposed the new view, or who were not immediately concerned with it. After the zymase debate, it would have been almost impossible to ignore the new ideas; the dramatic and wide publicity the debate enjoyed would have made it difficult not to take sides. Buchner's successful defense of zymase itself became an important influence on opinion; the new movement had to be looked at with respect. But the primary effect of the debate, I assert, was on those who were already inclined to the new view. The outcome was not a mass conversion of individuals, nor the ejection of one idea by another. The sides probably did not change much; the real change was in the way each side regarded itself and its place in history. The zymase debate may perhaps best be regarded as a process of selection. Buchner's party became aware of itself as the new progressive point of view, while those holding the traditional view could no longer expound it publicly without appearing obstinate or old-fashioned. Thus the way was clear for the gradually wider establishment of the new ideas, especially among the new generation of biochemists. In this specific sense, the acceptance of zymase was a social phenomenon.This way of looking at the zymase debate also illuminates its coincidence with the emergence of biochemistry as a profession. The new professional trappings and organizations were the social manifestation of the new self-awareness gained from the zymase controversy. One of the most important effects on those disposed toward the new view was the awareness of an intellectual community and of the need to give that community social forms. The almost mythical importance of Buchner's “victory” over the old protoplasm theory that later became current is readily understandable. It was a useful ideology for a group anxious to assert the novelty of their approach, a novelty which they in fact felt quite keenly.But if the primary effect of the zymase controversy was on those predisposed to accept zymase, then obviously the success of zymase depended on the fact that change had already begun to occur. Indeed, one of the most striking, and again unexpected, results of this study is the extent to which the importance of enzymes was already recognized in the early 1890's. The new immunology clearly pointed the way. Macfadyen and Hans Buchner were looking for active proteins inside the cell in 1893. Reynolds Green, Wroblewski, and Pfeffer had all anticipated the discovery of a fermentation enzyme. Other discoveries in enzymology in the 1890's pointed the same way.114 Moreover, it is clear from this study that the old protoplams theory was adapting to the new discoveries concerning the importance of enzymes. The sidechains of the old protoplasm molecule were simply reinterpreted as enzymes, as in Wroblewski's theory, for example, or in Paul Ehrlich's extremely influential “sidechain theory” of antibody formation (1897). Despite the later views of Hopkins et al., the old protoplasm and the new enzyme theories were not irreconcilable; a continuity of development had already begun when zymase came so dramatically on the scene. Buchner himself observed that the difference between the two views had become largely verbal; in retrospect we might say, not verbal, but social and historical. The gap between the continuous change in ideas and the contemporary feeling of sharply discontnuous change is a measure of the elusive but real social and historical implications of the zymase debate, of the demise of an old establishment, and the emergence of a new.In retrospect, then, it is clear that a trend was already under way in various quarters when zymase appeared. But it was still a collection of isolated and dispersed events. The zymase controversy made the trend visible and gave it a dramatic unity. The debate influenced those who had already begun to change. It was so effective because things had begun to change and because it coincided with the direction of that trend. (shrink)

This paper is inspired by and develops on E. J. Lowe’s work, who writes in his book The Possibility of Metaphysics that ‘metaphysical possibility is an inescapable determinant of actuality’ (1998: 9). Metaphysics deals with possibilities – metaphysical possibilities – but is not able to determine what is actual without the help of empirical research. Accordingly, a delimitation of the space of possibilities is required. The resulting – controversial – picture is that we generally need to know whether something is (...) possible before we can know whether it is actual. In order to appreciate this picture, we need to understand Lowe’s slogan: ‘essence precedes existence’ (Lowe 2008: 40). This slogan has both an ontological and an epistemic reading. The ontological reading is related to the now familiar idea that essence grounds modality, as popularised by Kit Fine. The epistemic reading suggests that we can know the essence of some entity before we know whether or not that entity exists. However, this idea is often met with puzzlement and Lowe himself sadly passed away before he had a chance to clarify this framework. I will present the framework as I understand it, develop it on my own terms, and put forward a qualified defence of it. I will also illustrate how the framework can be put to use with a case study concerning the discovery of transuranic elements. (shrink)

From Patristic writings ample evidence can be gathered about the important part which hymn-singing held in Early Christianity. Until recently, however, Early Christian hymnography was known only from documents transmitting the text but not the music. The discovery and publication of a Christian hymn in Greek with musical notation was, therefore, bound to change the whole aspect of studies concerned with the history of Early Christian music. This happened, as is well known, in 1922 when, under No. 1786 of (...) the fifteenth volume of the Oxyrhynchus Papyri A. S. Hunt edited a fragment of a hymn, dating from the late third century, together with a transcript of the music by H. Stuart Jones. For the first time it became possible to realize what kind of music Greek-speaking Christians in Egypt sang in praise of the Lord. (shrink)

We may now ask the question: In what historical perspective should we place the work of Richard Goldschmidt? There is no doubt that in the period 1910–1950 Goldschmidt was an important and prolific figure in the history of biology in general, and of genetics in particular. His textbook on physiological genetics, published in 1938, was an amazing compendium of ideas put forward in the previous half-century about how genes influence physiology and development. His earlier studies on the genetic and geographic (...) distribution of the various species and races of Lymantria contributed soundly to an understanding of the inheritance and development of sex, as well as the genetics of speciation. He was a curious mixture of the experimentalist, empiricist, and theorizer, who could grasp both the large and the small at once and wrap them into the same integrated and coherent package.In insisting on trying to relate genetics to development, Goldschmidt was continually forced to speculate and to forsake experimental fact for generalized theory. In refusing to reconcile a physiological and developmental conception with a corpuscular theory of the gene, he forced himself to substitute for a large body of experimentally verified evidence, vague and general speculations which did not lead in any precise direction. L. C. Dunn summarizes succinctly the effect of Goldschmidt's thinking on the development of genetic theory: Although Goldschmidt's ideas had a considerable influence in directing attention to the developmental processes intervening between genes and characters, they did not lead to the establishment of a general theory of development in genetical terms. In fact, at the end of the period, as signalized by Goldschmidt's book of 1938 [Physiological Gentics] doubt remained whether there was a field with a defined problem which could be identified as developmental genetics.Yet the frequency with which Goldschmidt is cited by later writers suggests that there is a more positive side to his contribution than this. The early Mendelians had recognized the genic constitution of organisms and the Drosophila workers had uncovered in detail the chromosomal mechanism of heredity. These great discoveries were of classical character, solidly based on a multitude of well established facts. By themselves, however, they would not have been sufficient to place genetics in the central position within biology which it was to assume. Beyond the “static” analysis of gene transmission an insight was needed into the dynamic role of genes in cellular physiology, biochemistry, and development. Goldschmidt recognized this aspect and outlined in brilliant generalizations a physiological theory of genetics. Necessarily the prophetic nature of this achievement — romantic in the sense of Ostwald's classification of great scientists and their discoveries — transcended its factual basis. It was the audacity of the theoretician unimpeded by the still scanty data which gave a new focus to biological thought.Some have called Goldschmidt an “obstructionist” in the history of genetics—one whose efforts were largely directed toward useless and continual criticism — challenge for the sake of challenge. As this line of argument goes, time wasted answering Goldschmidt's poorly conceived criticisms could have been better used to pursue new lines of thought within the classical gene theory. Sometimes historians are upbraided for studying the work of such “obstructionists,” or even the work of those whose ideas have later proved to be inadequate. This argument misses the point of history and the lessons which it can teach. Perhaps Goldschmidt did take the time of a number of the classical geneticists who tried to answer his objections to the gene theory; and perhaps many of his own ideas about genes were, by today's view, “wrong.” These are always easier judgments to make by hindsight than at the moment. But that is not the point. Goldschmidt had a considerable influence on his contemporaries, and to dismiss him as an obstructionist because his opponents later proved to be more nearly right, distorts history and obscures significant questions which we might well be asking. It might be valuable to know why Goldschmidt felt compelled to be an iconoclast —and how that impulse, psychological in orgin, led him to overlook critical items of evidence which his opponents considered more carefully. It might also be valuable to try and understand how a contemporary of Goldschmidt or. Morgan really viewed the gene theory — what were its strong and weak point? Such questions are not readily answered by studying the work of only those men who were correct by later standards.Answers to some of the above questions can be gleaned from this study of Goldschmidt — though the first, and most psychologically oriented, question is largely untouched here.On the one hand, Goldschmidt forced classical geneticists to reexamine the foundation of their ideas about the nature, inviolability, and even physical dimensions of genes. He also kept alive the very real problems of gene physiology and its relations to development — a relationship that was given less attention by the Drosophila school in their pursuit of the transmission process. On a broader level he emphasized to the biological community a principle that was in danger of being lost in the enthusiasm surrounding the expansion of the Mendelian-chromosome theory. The point was that all theories in science are transient, logical constructs which should not be held as sacred. Time and again, as the history of science has shown, theories become rigid structures which retard new modes of thought. From Goldschmidt's perspective, the gene theory was in danger of performing just that function, for it was preventing workers from viewing the gene in a functional as well as a structural light.On the other hand, examining the work of critics (or even of outright “obstructionists”) gives the historian an opportunity to observe how the more established community of scholars at some point in time reacts to challenges of its cherished ideas. The fact that many workers in his own day (such as Beadle, Luria, Delbruck, Sturtevant, Bridges, and others), as well as most geneticists today, saw Goldschmidt as having been largely “obstructionist” is useful historical (and/or sociological) data. Clearly, as this paper has tried to show, Goldschmidt's ideas were not all obstructionist, and his viewpoint that genes must be considered functionally was one which was clearly valid, premature as it may have been from an experimental and technique point of view. Perhaps Goldschmidt's major fault was that he developed alternative theories which were not easily testable. Nonetheless, his challenge to a fundamental and established idea brought forth a reaction from many members of the genetic community which indicates how unwilling they were to reconsider the formalized theory on which their work was based. While many of Goldschmidt's criticisms — and particularly his way of making them — arose out of his own idiosyncrasies, they were also a product of his times. His view of the nature of theory-construction, and his rejection of old-style reductionism and mechanism, were part of a growing awareness within the world scientific community that explanations based on reducing complex phenomena to ultimate particles or units were clearly inadequate. The success of the Mendelian-chromosome theory had obscured that fact for many geneticists, but to Goldschmidt it was a point that could not be allowed to pass unnoticed. (shrink)

In 1945–46, representatives of the U.S. government made similar discoveries in both Germany and Japan, unearthing evidence of unethical experiments on human beings that could be viewed as war crimes. The outcomes in the two defeated nations, however, were strikingly different. In Germany, the United States, influenced by the Canadian physician John Thompson, played a key role in bringing Nazi physicians to trial and publicizing their misdeeds. In Japan, the United States played an equally key role in concealing information about (...) the biological warfare experiments and in securing immunity from prosecution for the perpetrators. The greater force of appeals to national security and wartime exigency help to explain these different outcomes. (shrink)

Some recent trends of modern biology, which seem to have a most consequential influence to the further treatment of the problem of the origin and evolution of flowering plants, are shortly reviewed in this article.Several new discoveries and observations about pollinating insects revealed to some extent the mystery of the evolution of flower types. The deciphering of the definite signs and codes of communication among social insects and the interpretation of a well developed sign language of bees belong to the (...) most remarkable achievements of modern biology indeed. Besides its revolutionary impulse in the field of animal behavior these discoveries helped to solve several problems in the evolution of flowering plants.An attempt is made in this article to classify the existing main flower types according to their evolutionary tendency from primitive → simple → radiate → protected → zygomorphic flowers In this assortment of flower types is reflected the historical development of flowering plants since their early beginning in Cretaceous period till their domination in the recent world vegetation .In this evolution of flower types is mirrored further the progressive evolvement of numerous senses of the pollinating insects. The pollinators of the Middle Mesozoicum were surrounded by primitive flower types and could distinguish but some primitive colors like white, yellow and green.Two different methods of classification of flowering plants are used in this study. A typological assortment of flowers according to their ecological characteristics is co-ordinated with the taxonomic classification of phylogenetic groups . The evolution of angiosperms can be studied more successfully, if both the typological and taxonomic trends of this groups are analyzed.Quelques nouvelles découvertes et essais sur la dissémination du pollen par les insectes sont discutés du point de vue de l'évolution des types de fleur. L'activité sélective et la stabilité de ces insectes se trouvent être des facteurs les plus conséquents dans l'évolution des types de fleurs.Deux méthodes différentes de classification des plantes angiospermes sont employées dans cette étude. Un assortiment typologique de fleurs suivant leurs caractéristiques écologiques est coordiné avec la classification systématique des groupes phylogénétiques . L'évolution des angiospermes peut être étudiée avec plus de succès si les méthodes typologiques et systématiqes sont appliquées.Es werden in diesem Aufsatz einige neue Versuchsergebnisse über die wechselseitigen Beziehungen zwischen den pollenübertragenden Insekten und der Entwicklungsgeschichte der Blütentypen näher erörtert.Es sind unter diesen Umständen zwei verschiedene Arbeitsverfahren für die Klassifikation der Blütenpflanzen angewandt worden. Eine typologische Einteilung nach den ökologischen Merkmalen und eine systematische Schilderung nach den phylogenetischen Gruppen . Die Anwendung von diesen beiden Methoden gestattet uns eine bessere Übersicht über die Entwicklungsgeschichte der Blütenpflanzen. (shrink)

The discovery of traces of a blood meal in the abdomen of a 50‐million‐year‐old mosquito reminds us of the insights that the chemistry of fossils can provide. Ancient DNA is the best known fossil molecule. It is less well known that new fossil targets and a growing database of ancient gene sequences are paralleled by discoveries on other classes of organic molecules. New analytical tools, such as the synchrotron, reveal traces of the original composition of arthropod cuticles that are (...) more than 400 my old. Pigments such as melanin are readily fossilized, surviving virtually unaltered for ∼200 my. Other biomarkers provide evidence of microbial processes in ancient sediments, and have been used to reveal the presence of demosponges, for example, more than 635 mya, long before their spicules appear in the fossil record. Ancient biomolecules are a powerful complement to fossil remains in revealing the history of life. (shrink)

Viktor Hamburger was a developmental biologist interested in the ontogenesis of the vertebrate nervous system. A student of Hans Spemann at Freiburg in the 1920s, Hamburger picked up a holistic view of the embryo that precluded him from treating it in a reductionist way; at the same time, he was committed to a materialist and analytical approach that eschewed any form of vitalism or metaphysics. This paper explores how Hamburger walked this thin line between mechanistic reductionism and metaphysical vitalism in (...) light of his work on the factors influencing growth of neurons into limb buds, and the discovery of nerve growth factor, work carried out with Rita Levi-Montalcini and Stanley Cohen. (shrink)

In this essay, I consider the implications for traditional philosophical ethics posed by discoveries in brain research or neurocognition as well as psychological discoveries concerning human biases and cognitive limitations presented in behavioral economics. I conclude that although there still is much for philosophical ethics to do, the empirical research shows that human freedom and responsibility for ethical decisions is somewhat diminished and that choice architecture and nudges through public policy become important for getting people to do the right thing.

When an organization is pressured to respond to moral expressions in capital, consumer and labor markets, it faces a dilemma of how to respond. Should Shell have given in to Greenpeace in deciding how to dispose of the Brent Spar Oil Rig? Should Cracker Barrel give in to pressures to fire homosexual employees? Firms should consider the nature of the moral expressions pressuring them in deciding how to respond. Moral expressions can be divided into three descriptive categories: Benign, Disputed and (...) Problematic. Each carries different implications for corporate action and in some cases will justify corporate resistance to moral expressions by stakeholders. In order to appropriately respond to moral pressures, firms should first engage in a process of discovery aimed at identifying moral pressures relevant to the firmös missions and objectives and then engage in a process of justification concerning their responses. Such a conclusion is consistent with important trends of contemporary thought in ethics and political philosophy and is strongly supported by Kantian analysis. (shrink)

This chapter talks about Tony Fucile's amusing book, Let's Do Nothing!. This book straddles the boundary between metaphysics and the philosophy of language, for the concept of nothing has been a very puzzling one to philosophers. But before entering those murky waters, let's see how Sal and Frankie fare in their attempt to do nothing. Sal and Frankie were trapped in their own fly bottle when they tried to do nothing. Sal's discovery — that you can't do nothing — (...) was a philosophical discovery, one that freed him and Frankie from the type of bewitchment that Wittgenstein and other ordinary language philosophers saw embodied in the history of philosophy. Discussion of “Nothing” with children is started by asking the children what are some examples of things that they really like to do. (shrink)

A frequently recounted episode in early modern medicine concerns the physician Helvetius's introduction of ipecacuanha to French medical practice after curing Louis XIV's son of dysentery using this medicinal drug. To this day, the Helvetius story remains riven with contradictions, obscurity, and confusion, even down to the nature of the drug involved. This article, challenging histories of “information” as homogeneous and neutral, explores how Helvetius's reputation as a physician and pharmaceutical entrepreneur was crafted through print and correspondence. Rather than seeking (...) to establish a definitive account of “what actually happened,” it addresses the ways in which different media shaped and mediated the politics of knowledge surrounding Helvetius and his drug. Considerations of intellectual and commercial property inflected medical knowledge in different ways, producing distinct strategies of publicity. While Helvetius capitalized on courtly connections to promote himself and his drug, rivals eyed the Republic of Letters as an alternate route for establishing natural knowledge-claims. Yet the arch-newsmonger of the Republic of Letters, Leibniz, elected to preserve the connection between Helvetius and ipecacuanha in print. I argue that Leibniz's actions stemmed from a view of the public domain that downplayed discovery and emphasized disclosure of medical secrets in the public interest. (shrink)

According to the great discovery by e. noether in 1918 there exists an intrinsic connection between the mathematical symmetries of the laws of nature and the conservation laws. the two kinds of symmetries, namely the continuous and the discrete ones, are discussed. the physical background of these symmetries is illustrated. finally, we sketch some topical conservation problems in elementary particle physics.

Professor Marcucci's book on Whewell [6] is a comprehensive expository treatment of Whewell's philosophy of science. The work contains chapters on Whewell's theory of ideas, the fundamental principles of his philosophy of science, his views on mathematics and mechanics, and on his philosophy of induction and philosophy of discovery. In addition there is a chapter on the English reception of Whewell's thought. Professor Marcucci's notes are rich, both in references to Whewell's many critics and to nearly all of the (...) extant literature on Whewell. Indeed, no full study of Whewell has as yet appeared that makes better or more extensive use of all the relevant literature on Whewell. (shrink)

The question ‘what is life?’ has long been a source of philosophical debate and in recent years has taken on increasing scientific importance. The most popular approach among both philosophers and scientists for answering this question is to provide a “definition” of life. In this article I explore a variety of different definitional approaches, both traditional and non-traditional, that have been used to “define” life. I argue that all of them are deeply flawed. It is my contention that a scientifically (...) compelling understanding of the nature of life presupposes an empirically adequate scientific theory (vs. definition) of life; as I argue, scientific theories are not the sort of thing that can be encapsulated in definitions. Unfortunately, as I also discuss, scientists are currently in no position to formulate even a tentative version of such a theory. Recent discoveries in biology and biochemistry have revealed that familiar Earth life represents a single example that may not be representative of life. If this is the case, life on Earth today provides an empirically inadequate foundation for theorizing about life considered generally. I sketch a strategy for procuring the needed additional examples of life without the guidance of a definition or theory of life, and close with an application to NASA’s fledgling search for extraterrestrial life. (shrink)

Originally published in 1985, this distinguished and constructive critique of modern culture introduced into our language a brand-new term, ‘PN’, standing for ‘psychic nutrition’, which at the time promised to become a household expression. Drawing on his first-hand knowledge of oriental civilizations; on discoveries of Jung, especially his concept of psychic energy; on the ideas of the cultural anthropologists; and not least on the New Science implicit in microphysics and microbiology, E.W.F. Tomlin, whose philosophical books have been translated into several (...) languages, shows how the human psyche requires its own kind of nourishment just as urgently as the body needs food. In the industrial societies of the West, this need has often been ignored. Reformers, in their earnest though sometimes inept endeavours to create a better world, have too often exposed us to the dangers of psychic starvation and the noxious effects of what may be called ‘neg-PN’. Here lie the roots of violence and the lack of direction so conspicuously afflicting modern man and woman. Examples of PN, positive and negative, are given, lending the book an immediacy and practical character often lacking in studies of this kind. In the new scientific approach here adopted, the divisions between matter and life, and life and mind, are discarded, and the old conflict between science and religion shown to belong to an out-of-date world view. The result is a radical reappraisal of the nature and function of religion and art, the two great psychic forces in history. Indeed, the present crisis is shown to originate in the psychic sphere rather than in the political and economic order. Deeply felt and elegantly written, yet not lacking in wit and humour, the book ends with some concrete ideas on how a more balanced culture may be achieved. (shrink)

This chapter talks about Peter Catalanotto's delightfully illustrated picture book, Emily's Art. Traditionally, the philosophy of art was also called aesthetics, a term derived from the ancient Greek. There are many intriguing issues in the philosophy of art. For example, philosophers have proposed various different solutions to the question of what art is. Art is a subject that interests children because they often are engaged in producing it. So an interesting way to begin a discussion of issues in the philosophy (...) of art is to ask the children whether they prefer Kelly's paintings or Emily's and why. Once they explain, ask them whether they think that other people should agree with them, or if it's fine for other people to disagree. And, as usual, ask them to explain why they think what they think. (shrink)

Leo Lionni's charming tale of a mouse, eponymously named Frederick, raises very important questions about the nature of work, a topic addressed in the field of social and political philosophy. A question — one that the mice themselves raise — is whether Frederick is doing work when he gathers the sun, colors, and words. Since the book has used the word “gather” as its way of conceptualizing work, it might seem that Frederick is working, for he, too, is also gathering (...) things, just not the things that all the other mice do. Alternatively, we can say that even though Frederick is doing intellectual, rather than physical work, both types of work are necessary for the continued existence of anything but the most simple society. Children have differing opinions about whether Frederick was working or was just being a slacker. (shrink)

This chapter talks about a picture of Crockett Johnson's book, Harold and the Purple Crayon, where Harold, a young toddler, standing with his body facing to our left but with his head turned slightly to the right. When we see Harold making a drawing with his purple crayon in an illustration by Crocker Johnson, we are witnessing the workings of Harold's imagination. Because of the peculiar metaphysics of his world, objects solve his problems when they morph from drawings into real (...) things. Harold and the Purple Crayon is a testament to the power of children's imaginations, their ability to give reality to things we adults can only dream about. The book gives us an introduction to the metaphysical distinction between real and merely imaginary things, and even criticizes one attempt to develop an account of that distinction. (shrink)

This chapter highlights different ways in which people communicate with one another. Although language is clearly a crucial means of communication, there are many other things that we can do to convey a message to someone. The chapter presents a story of in which Trixie had difficulty communicating to her father that they had left Knuffle Bunny at the Laundromat. Philosophers from earlier centuries would have viewed Trixie's difficulty as stemming from her attaching the wrong sounds (words?) to the ideas (...) she had in her mind. Twentieth‐century philosophers found this view unconvincing. The philosophy of mind investigates questions about the nature of the human mind. Although many different issues are addressed in this area of philosophy, the one that traditionally took pride of place was that of articulating the difference between the mind and the body, and deciding whether either was more basic than the other. (shrink)

The theory of knowledge attempts to explain the nature and extent of human knowledge. A good place to begin the discussion on this theory is with the Princess Lenore's beliefs about the moon in Many Moons, a children's story on the different conceptions of knowledge. The story raises important questions about the nature of knowledge and those who claim to have it. We can understand the philosophical point that Many Moons makes about knowledge ask why the Jester is able to (...) solve a problem that none of the King's advisors can. An objectivist sees knowledge as something that is independent of any individual's point of view. The Jester has a different conception of knowledge. There are many other issues in the theory of knowledge besides skepticism and relativism. (shrink)

Harry Allard's very engaging and popular picture book Miss Nelson Is Missing! raises an important ethical issue. The issue is whether it is morally permissible to adopt an immoral means if doing so promotes a morally good end. The book shows us how successful deceptive behavior can be and also provides with an opportunity for reflecting on why such behavior is morally wrong. So there is a lesson to be learned about the importance of approaching children's picture books armed with (...) philosophy. If a parent just reads Miss Nelson Is Missing! to a child without raising the issue of whether what Miss Nelson did was moral, the child might come away thinking that her parent approved of Miss Nelson's actions. And, if the child took this to heart, she might think that it was all right to deceive others so long as one did so for their own benefit. (shrink)

People could have mistaken beliefs that they arrive at by faulty reasoning. B.Wiseman's delightful book, Morris the Moose, takes a more detailed look at such reasoning, itself the subject of philosophical logic. Morris explains to the cow why she must be a moose. He draws a false conclusion from true premises: that the cow has four legs, a tail, and horns. His problem could have been remedied by paying more attention to logic. Morris appeals to something like the following principle: (...) Things that look different from each other are really different from each other. The real lesson can take from this story of this stubborn moose is that it can sometimes be hard to admit your mistakes. Our own beliefs have a tenacity that makes it hard to accept contradictory evidence, and we are not always open to finding the truth if it challenges our cherished beliefs. (shrink)

This chapter discusses Arnold Lobel's story “Cookies,” a story about will‐power, a concept central to moral psychology. The question of whether Frog and Toad both, or one or neither, possess will‐power at the end of the story is a good one to begin a discussion of this interesting philosophical topic with children. The concept of will‐power is linked to an important philosophical concept, weakness of the will. The Greek philosopher Aristotle first identified this phenomenon. This area of philosophical investigation bridges (...) the fields of ethics and philosophy of mind, developing an account of the mental faculties necessary for moral — and immoral — behavior. Moral psychology integrates ethics with the philosophy of mind. While ethics discusses questions of right and wrong, moral psychology focuses on what gives us the ability to do what's right despite the attractions of morally problematic courses of action. (shrink)

Shrek! focuses on an issue in the philosophy of language, a relatively new area of philosophical investigation that first emerged during the twentieth century. Some philosophers disagree with the claim that you cannot separate the descriptive and evaluative elements of linguistic statements. This is because they take descriptive statements to be the basic elements of language, to which our subjective attitudes get attached later in a contingent manner. At its most basic level language presents a symbolic picture of facts in (...) the world. Shrek! presents what philosophers call a thought experiment that purports to show that the descriptive and evaluative contents of sentences are really distinct. The chapter ends by suggesting how to discuss the philosophy of language with children. (shrink)

In Daniel Manus Pinkwater's quirkily illustrated book, The Big Orange Splot, a strange accident leads a man to change his life. The book presents an important claim that the existentialists and other philosophers have embraced: That the life of conformity is one that people ought to avoid, despite its attractiveness. Instead of living a life just like everyone else and fulfilling expectations that others have for us, our lives should resemble the transformed facades of all the homes on Mr. Plumbean's (...) street: reflections of our own, individual dreams. (shrink)