The future of salmon aquaculture depends on the adoption of alternative feed resources in order to reduce the need for fish meal and fish oil. This may include resources such as species from lower trophic levels, by-products and by-catch from fisheries and aquaculture, animal by-products, plants, genetically modified (GM) plants, nutritionally enhanced GM plants and products from microorganisms and GM microorganisms. Here, we report on a deliberative assessment of these alternative feed resources, involving 18 participants from different interest groups within (...) Norwegian salmon aquaculture. The participants defined a broad range of appraisal criteria concerning health and welfare issues, economical issues, environmental issues, and knowledge and social issues. A number of uncertainties, in the form of incomplete knowledge, diverging opinions, and context specific factors were identified when the participants evaluated the alternatives. Our findings support the need for more research on the suitability of alternative feed resources for farmed salmon. Additionally, the study underlines the importance of facilitating deliberative assessments in order to map the plurality of perspectives and explore qualitative aspects of uncertainty. Such initiatives improve the information base upon which decisions on future feed resources for farmed salmon are made. (shrink)

The author criticizes the essays in this issue by Waters, Erickson, Trotter and Verhey for not placing an adequate Christology at the center of their definitions what is Christian bioethics.

Existentialism and postmodernism have both abandoned the idea of a human nature. Also, the idea of naturalness as a value for education has been targeted as a blind for conservative ideology. There are, however, good reasons to re-establish a sound concept of human naturalness. First of all, the concept does not seem to have disappeared from common usage, despite all criticism. Secondly, the idea of naturalness seems essential to our sense of ourselves and for the formation of our identities. And (...) finally, the idea is the inevitable basis for the possibility of a radical criticism of society and culture. This paper presents two suggestions for a rehabilitation of the concept of naturalness: Gernot Böhme's phenomenology of body and nature, and Christoph Menke's ‘genealogical reflexion’. (shrink)

En stor del av dagens forskningsaktivitet er knyttet til utvikling av ny teknologi. Teknologiutvikling anses gjerne som et gode, fordi den bidrar til økt eller ny bruk av naturlige ressurser til beste for menneskers generelle levekår og helse, samt miljøet og samfunnet som helhet. Bruk av ny teknologi innebærer imidlertid også risiko for uønskede effekter. Risikovurderinger er ofte preget av vitenskapelig usikkerhet, spesielt med hensyn til effekter som oppstår over tid. Denne usikkerheten reiser nye etiske dilemmaer og gjør det nødvendig (...) med en kritisk vurdering av kunnskapsgrunnlaget. I denne artikkelen fokuserer vi på hvilke etiske utfordringer vitenskapelig usikkerhet har for forskning og forvaltning, og vi vil se nærmere på bruk av DNA-vaksiner i oppdrettsnæring. Vi argumenterer for at det er viktig å anerkjenne kvalitative former for vitenskapelig usikkerhet, som går utover det som uttrykkes i statistiske termer. Walker & Harremoeës usikkerhetsanalyse presenteres som en metode for å identifisere og systematisere vitenskapelig usikkerhet av kvalitativ karakter. En slik analyse kan øke forskeres evne til å reflektere over og kommunisere usikkerhet knyttet til eget arbeid. Vi argumenterer videre for at kommunikasjon av vitenskapelig usikkerhet bør være en del av forskerens etiske ansvar, blant annet for å stimulere føre-var-basert forskning og forvaltning. En helhetsvurdering av nytte, risikomomenter og usikkerhet kan best oppnås gjennom en tverrfaglig tilnærming. Det vil bidra til at de implisitte verdiene som er assosiert til bruk av ny teknologi blir bedre belyst. (shrink)

Nos livros impressos, nem sempre as imagens estão de acordo com os textos que deveriam ilus­trar. Neste artigo, o autor analisa algumas estampas xilográficas que estão em desacordo com os textos que 'ilustram', em O Flos Sanctorum em linguagem português, impresso em Lisboa, por Hermão de Campos & Roberto Rabelo, em 1513.

In lieu of an abstract, here is a brief excerpt of the content:BOOK REVIEWS 551 Human Embryo Research: Yes or No?. By CIBA FOUNDATION. London: Tavistock: 1987. Pp. xv + 232. $39.95 (cloth). In 1984 a governmental commission formed under the directorship of Dame Mary Warnock studied proposed legislation for experimentation on human embryos for research purposes. It concluded that such experimentation should not be permitted ·after the fourteenth day of gestation. This book records a symposium conducted under the sponsorship (...) of the CIBA foundation, an international scientific and educational organization which promotes research into biomedical and chemical research. The purpose of the symposium was to determine whether the guidelines set forth by the Warnock commission were legitimate and whether new criteria for allowing embryo r.esearch should be established. The book consists of eleven papers presented at a symposium on the ethics of embryo research along with panel discussions about the papers. Technically, embryo research only concerns experimentation with human products of conception after the fourteenth gestational day. The first seven papers describe contemporary embryo research dealing with the diagnosis and mechanisms of infertility, its ti;eatment by in vitro fertilization, the diagnosis of genetic disease, the causes and avoidance of congenital malformations, and the improvement of contraception. The final four papers deal with the issues of the status of the human embryo in d:ffierent world religions, the moral arguments against human embryo research, and public attitudes on human embryo research. The scientific papers are quite detailed, and they provided a good deal of information about the contemporary state of embryo research. But the papers on the ethics of human embryo research are rather partisan, and they do not adequately approach the difficult human and ethical issues involved in embryo research. One gains the impression from this book that the conference was heavily weighted in favor of those who sought virtually unqualified and unrestricted moral and legal permission for human.embryo research. The scientific papers seemed to go out of their way to argue that there was an unbreakable continuum in the process of transmitting life such that it could not be determined when human life began. For example, Professor Teresa Iglesias's suggestion that a new and distinct human life began when the process of fertilization began, and when the newly formed genetic material came to govern the development of the organism, rceeived little acknowledgment. No papers were presented rejecting nontherapeutic research on human embryos, and.the papers presented by J. W. Bowker and by Bernard Williams argued in behalf of the moral licitness of unspecified forms of embryo research. Bowker claimed that there was no consensus to be found 55~ BOOK REVIEWS among the various world religions on the moral status of the human embryo. He surveyed various religions such as Buddhism and concluded that the arguments in favor of the humanity or personhood of the embryo were not strong or persuasive. His point should not be accepted without caution, however, for he did not consider the claims made by western traditions such as Catholicism in behalf of the personhood of the embryo. 'F:or the claims of an oriental religion such as Buddhism are not as persuasive with Western, rationalist, liberal minds as they are with orientals. Bowker argues that religious claims about the personhood of the unborn ';are weak since we do not claim that larvae are full grown fish or that acorns are oak trees. This is true, but on the other hand, we do not say that horse embryos are vegteables or pigs. Implied in Bowker's claim that the embryo is not a human being or a human person is the assumption that at some point in the gestation process the embryo undergoes a "species-transfer" or "class-transfer" from the biological category of non-human or non-personal to human and personal. This is difficult to accept as there is no precedent in other mammals for such a species or class transfer. Equine, bovine, and canine embryos are not considered to be anything than other than of the species of horse, pig, or dog, and there is no reason to believe that they engage in some sort of species transfer. And he does not explain why the human case alone exhibits this... (shrink)

In lieu of an abstract, here is a brief excerpt of the content:156 BOOK REVIEWS of theological method in Aquinas (p. 193; see also pp. 57 and 173). But this is not sufficient. Farthing should have acknowledged that Biel's recurrent critique of the supposed ' positive ' use of reason in Aquinas is beside the point and that, by thinking that Thomas is trying to ' demonstrate ' the faith, Biel has carelessly dismissed much that is interesting and valuable in (...) Aquinas. By bringing Biel's error to the fore, Farthing would have made clear to the reader that in this crucial respect, the dialogue between these two thinkers has completely broken down. University of Notre Dame Notre Dame, Indiana JOSEPH WAWRYKOW The Reshaping of Catholicism: Current Challenges in the Theology of Church. By AVERY DULLES. San Francisco: Harper & Row, 1988. Pp. 276. $19.95 (doth). Each of Dulles's twelve articles commends itself no less as a chapter in this collection than when it first appeared separately between 1984 and the end of 1987. In ensemble, " they give," Dulles remarks in his Preface, " a fair sampling of the issues the Catholic Church has had to face in the two decades since the Council." Whatever the leading Catholic ecclesiologist in America has to say about specific problems in Church renewal deserves careful attention. A positive general evaluation of the book is all hut a foregone conclusion. Still, a review can perform that opening survey of contents that will lend precision to a reader's anticipation of what the author has singled out as the current challenges. Four chapters take up the task of interpreting the texts of Vatican II, not as a species of source-criticism but in light of post-conciliar difficulties. Chapters 2 ("The Basic Teaching of Vatican II "), 5 ("Vatican II and the Recovery of Tradition"), and 8 ("Vatican II and the Purpose of the Church") emerge from a situation of divided opinion. They also apply the Council's teaching as a solution. Chapter 7 ("The Church and Communications") likewise engages conciliar texts, along a more speculative line. Chapter 1 ("American Impressions of the Council") joins with 2 in opening the book at a somewhat more popular level. The other chapters employ conciliar teaching to formulate theological answers to some important questions. These are questions which trouble not only the hierarchy and the theologians but also ordinary BOOK REVIEWS 157 members of the Church, as they come to terms with the Church's renewed self-understanding. Chapter 3 (" The Emerging World Church and the Pluralism of Cultures") picks up where Karl Rahner's wellknown address at the Weston School of Theology in 1979 left off. Dulles accepts Rahner's argument that Vatican II achieved the first official self-actualization of Catholicism as a world church. Taking the resulting problem of inculturation as the current phase in the relation between Christianity and culture, Dulles specifies the relation between two cultures as "cultural reciprocity." He leaves behind the simple, familiar contrast between classicism and a non-normative concept of culture. His ecumenical research enters into Chapter 4 ("The Meaning of Catholicism: Adventures of an Idea "), which places Vatican II in the context of two centuries of Protestant-Catholic discussion on the essence or basic idea of Catholicism. Intra-Catholic pluralism turning into opposition underlies most of the hook, hut Chapters 5 and 6 ("Authority and Conscience: Two Needed Voices") treat two such polarizations thematically. In 5 Dulles finds Dei Verbum open to an understanding of tradition as the handing on from generation to generation of the " tacit knowledge " whose content is the lived awareness of the God of Jesus Christ. Chapter 6 does not admit a second, alternative magisterium, hut it does situate hier· archical teaching amid the several sources of authority accepted by Catholicism-Scripture, tradition, the whole People of God, and theologians along with the hierarchy. And, in the formation of personal judgments and decisions, conscience has its own authority. A theology of communication follows from each of five models of the Church. Chapter 7 shows how this, in turn, implies a distinct approach to evangelization, use of mass media, and episcopal and papal teaching. Chapters 8 and 9 {"The Church, Society, and Politics") discuss the tensions inherent in the Church's mission... (shrink)

The concept of nature is under attack from a number of contemporary researchers on ecology. This seems alarming in light of the current struggle to establish the anthropogenic, i.e., non-natural origin of climate change and mass extinction. This paper selects three examples of ‘nature denial’ by influential writers—Steven Vogel, Timothy Morton, and Bruno Latour—and tries to show that without a concept of nature, their theories are incoherent. Finally, the paper turns to Gernot Böhme for a philosophy of body and nature (...) that can evade the aporias in which the three other writers are entangled. (shrink)

With reference to the virtue-ethics tradition, especially the system of St. Thomas Aquinas, this essay interprets the pentangle emblazoned on Gawain’s shield as symbolizing the perfection of interconnected virtues, and the Green Knight as figuring Christ in his martyrdom. Linking these two strands of meaning is the Thomist idea of fortitude, the virtue under particular scrutiny in the poem. Gawain fulfills the secondary part of fortitude, attack, while the Green Knight fulfills the primary part, endurance, and is identified with Christ. (...) His axe, holly bob, and green coloration, and even his menacing aspect, all foster this significance. (shrink)

It is unnecessary to make a direct refutation of these and similar statements and insinuations which occur frequently in the fast growing literature on medieval thought. The fact is, Ockham does have a Metaphysics. It could even be called a well-developed Metaphysics. To show that this is the case, is already to refute completely the denials that Ockham has a Metaphysics.

Into every life a little Zen must fall. A Christian philosopher looks to Alan Watts and the East. Alan Keightley. Wisdom Publications, London 1986. 194 pp. £6.95.