The three‐dimensional structure of DNA depends subtly on its sequence, and this property is used by the proteins that regulate gene expression to locate their target sequences. Despite the large body of experimental data that has been accumulated on the relationship between sequence and DNA structure, we still do not fully understand the molecular basis for these properties, nor can we predict a three‐dimensional structure from a given sequence. We have been using computer modelling to tackle these problems. Some of (...) our results and the implications for understanding the biological role of key sequences are discussed here. (shrink)

Thirty-two vegans were interviewed in order to examine the reasons for becoming vegan, the sustaining motivation to persist, the interpersonal and intrapersonal impact of the diet and associated practices, and the vegans’ assessment of omnivores’ eating practices. Interviews were analyzed using a model that diagrams the process of becoming vegan provided by McDonald . Participants reported strained professional and personal relationships as a result of their diet and beliefs. Vegan diets were associated with an increase in physical, eudaemonic, and spiritual (...) well-being. (shrink)

If ecological systems are functionally organised, they can possess functions or malfunctions. Natural function would provide justification for conservationists to act for the protection of current ecological arrangements and control the presence of populations that create ecosystem malfunctions. Invasive species are often thought to be malfunctional for ecosystems, so functional arrangement would provide an objective reason for their control. Unfortunately for this prospect, I argue no theory of function, which can support such normative conclusions, can be applied to large scale (...) ecosystems. Instead ecological systems have causal structure, with small clusters of populations achieving functional arrangement. This, however, does not leave us without reason to control invasive species. We can look at the causal arrangement of ecological systems for populations that support ecological features that we should preserve. Populations that play a causal role in reducing biodiversity should be controlled, because biodiversity is a good all prudent agents should want to preserve. (shrink)

The introduction of new genetic material into wild populations, using novel biotechnology, has the potential to fortify populations against existential threats, and, controversially, create wild genetically modified populations. The introduction of new genetic variation into populations, which will have an ongoing future in areas of conservation interest, complicates long-held values in conservation science and park management. I discuss and problematize, in light of genetic intervention, what I consider the three core goals of conservation science: biodiversity, ecosystem services, and wilderness. This (...) uneasy relationship, however, does not forgo the use of such interventions. I argue there is a case for the application of this technology within some interpretations of the moral frameworks of wilderness and biodiversity, despite apparent conflict between these values and the technology, and the possibility that this technology's use displays some limitations of the ecosystem services framework. Ultimately, the advent of biotechnology assisted restoration highlights the need for us to reevaluate our ethical concepts of conservation at times of global environmental and technological change. (shrink)

Ecological communities are seldom, if ever, biological individuals. They lack causal boundaries as the populations that constitute communities are not congruent and rarely have persistent functional roles regulating the communities’ higher-level properties. Instead we should represent ecological communities indexically, by identifying ecological communities via the network of weak causal interactions between populations that unfurl from a starting set of populations. This precisification of ecological communities helps identify how community properties remain invariant, and why they have robust characteristics. This respects the (...) diversity and aggregational nature of these complex systems while still vindicating them as units worthy of investigation. (shrink)

Biodiversity is a key concept in the biological sciences. While it has its origin in conservation biology, it has become useful across multiple biological disciplines as a means to describe biological variation. It remains, however, unclear what particular biological units the concept refers to. There are currently multiple accounts of which biological features constitute biodiversity and how these are to be measured. In this paper, I draw from the species concept debate to argue for a set of desiderata for the (...) concept of “biodiversity” that is both principled and coheres with the concept’s use. Given these desiderata, this concept should be understood as referring to difference quantified in terms of the phylogenetic structure of lineages, also known as the ‘tree of life’. (shrink)

I will entertain and reject three arguments which putatively establish that the individuals produced through de-extinction ought to be the same species as the extinct population. Forms of these arguments have appeared previously in restoration ecology. The first is the weakest, the conceptual argument, that de-extinction will not be de-extinction if it does not re-create an extinct species. This is misguided as de-extinction technology is not unified by its aim to re-create extinct species but in its use of the remnants (...) of extinct populations as a resource. The second is the argument from authenticity; the populations produced by de-extinction technologies will be inauthentic if they are not of the extinct species and, therefore, will not be valuable. I argue authenticity is not required in conservation as the value of authenticity varies between people and cultures, and the novelty of de-extinct species will be equally desirable in many cases. The third argument is from retributive justice; we need the de-extinct population to have the same species identity as we owe a moral debt to the extinct population. I find the case for retributive justice unconvincing and argue that acting as if we have a duty to resurrect extinct species will result in a world with less species. Ultimately all the arguments that connect de-extinction technology to species identity fail, leaving us to consider a more complex calculus for the justification of de-extinction in conservation. (shrink)

Eric Katz in Zombie Arguments defends the thesis authenticity is indispensable to conservation. I agree. However, I argue authenticity appears in degrees and can be reclaimed by populations through their continuing evolutionary responses to the world. This means that interventions that diminish the value of a population through reducing their authenticity can be permitted in limited cases. When our actions retain the remaining authentic features in a threatened population we should allow such a diminishment as authenticity can be reclaimed in (...) time. (shrink)

The question of whether there are laws of nature in ecology has developed substantially in the last 20 years. Many have attempted to rehabilitate ecology’s lawlike status through establishing that ecology possesses laws that robustly appear across many different ecological systems. I argue that there is still something missing, which explains why so many have been skeptical of ecology’s lawlike status. Community ecology has struggled to establish what I call a General Unificatory Theory. The lack of a GUT causes problems (...) for explanation as there are no guidelines for how to integrate the lower-level mathematical and causal models into a larger theory of how ecological assemblages are formed. I turn to a promising modern attempt to provide a unified higher-level explanation in ecology, presented by ecologist Mark Vellend, and advocate for philosophical engagement with its prospects for aiding ecological explanation. (shrink)

All known chimpanzee populations have been observed to hunt small mammals for meat. Detailed observations have shown, however, that hunting strategies differ considerably between populations, with some merely collecting prey that happens to pass by while others hunt in coordinated groups to chase fast-moving prey. Of all known populations, Taï chimpanzees exhibit the highest level of cooperation when hunting. Some of the group hunting roles require elaborate coordination with other hunters as well as precise anticipation of the movements of the (...) prey. The meat-sharing rules observed in this community guarantee the largest share of the meat to hunters who perform the most important roles leading to a capture. The learning time of such hunting roles is sometimes especially long. Taï chimpanzee males begin hunting monkeys at about age 10. The hunters’ progress in learning the more sophisticated hunting roles is clearly correlated with age; only after 20 years of practice are they able to perform them reliably. This lengthy learning period has also been shown in some hunter-gatherer societies and confirms the special challenge that hunting represents. (shrink)

Eric G. Forbes, Lesley Murdin, & Frances Willmoth, volume 2, 1682–1703, volume 3, 1703–1719; Institute of Physics Publishing, Bristol & Philadephia, 1997, 2002, pp. xlvii+1095, lxvi+1038, Price £199 each hardback, ISBN 0-7503-0391-3, 0-7503-0763-3The correspondence of John Wallis, volume 1 Philip Beeley, & Christoph J. Scriba, with the assistance of Uwe Mayer and Siegmund Probst; Oxford University Press, Oxford, 2003, pp. xlvii+651, Price £120 hardback, ISBN 0-19-851066-7 The Hartlib Papers. Second edition. A complete text and image database of the papers of (...) Samuel Hartlib HROnline, Sheffield, 2 CDs, Price £1,500, ISBN 0-9542608-0-5The Letters of Jan Jonston to Samuel HartlibW. J. Hitchens, Adam Matruszewski, & John Young ; Retro-Art, Warsaw, 2000, pp. 269, Price £25 paperback, ISBN 83-87992-12-7. (shrink)

Proponents of the standard evolutionary biology paradigm explain human “altruism” in terms of either nepotism or strict reciprocity. On that basis our underlying nature is reduced to a function of inclusive fitness: human nature has to be totally selfish or nepotistic. Proposed here are three possible paths to giving costly aid to nonrelatives, paths that are controversial because they involve assumed pleiotropic effects or group selection. One path is pleiotropic subsidies that help to extend nepotistic helping behavior from close family (...) to nonrelatives. Another is “warfare”—if and only if warfare recurred in the Paleolithic. The third and most plausible hypothesis is based on the morally based egalitarian syndrome of prehistoric hunter-gatherers, which reduced phenotypic variation at the within-group level, increased it at the between-group level, and drastically curtailed the advantages of free riders. In an analysis consistent with the fundamental tenets of evolutionary biology, these three paths are evaluated as explanations for the evolutionary development of a rather complicated human social nature. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Gandhi's Hope: Learning from Other Religions as a Path to PeaceChristopher Key ChappleGandhi's Hope: Learning from Other Religions as a Path to Peace. By Jay McDaniel. Maryknoll, NY: Orbis Books, 2005. 134 + viii pp.This book by prominent Protestant theologian Jay McDaniel suggests that Mahatma Gandhi challenged the modern world by publicly revealing that which he learned from other faith traditions and advocating this path as a way (...) for intercultural understanding. The wisdom of Gandhi holds special poignancy today, when the processes of globalization and migration have placed followers of different faiths in closer proximity than can be remembered in the past five hundred years.Jay McDaniel writes with crisp clarity and organizes his insights into bite-sized pieces. He lays out five challenges that face all the world's faiths: compassion, self-criticism, simple living, ecological awareness, and welcoming religious diversity. In approaching this decidedly postmodern list of issues, McDaniel draws from two primary resources: the experiences shared by his students at Hendrix College and the writings of Alfred North Whitehead. Along the way, he invokes the Buddhist teacher and leader Thich Nhat Hanh and several progressive Catholics, including Sister Joan Chittester and theologians Hans Küng and Paul Knitter.Continuing with a style developed in his earlier books, McDaniel latches onto a [End Page 237] metaphor and extends it to illustrate his central point—in this case, the value of diversity. In past books, he has used the image of the hunter and the hunted to underscore the need to respect animals. In Gandhi's Hope, the metaphor he employs is that of a jazz concert, with all different manner of instruments pooling their resources to create a tapestry of diverse yet harmonious music.Although the title of the book may seem to indicate that Gandhi will serve as thefocus, in fact, Whitehead anchors McDaniel's approach. Through an updated approach to Whitehead, McDaniel seeks to answer the questions regarding diversity and compassion that he has posed. He suggests that an experience of concrescence will result in the sort of heightened awareness needed to increase one's conscience and to make the ethical changes needed to respond to the current state of the world. McDaniel identifies twelve "planks" that will usher Whitehead's vision into the contemporary world. These twelve aspects seem also to be heavily influenced by McDaniel's own encounter with Buddhism: interdependence, impermanence, indeterminism, mind/matter, deep listening, value, God, creativity, persuasive power, divine empathy, many forms of salvation, and life after death. These broad categories embrace key notions found in all religious traditions. Some traditions emphasize certain aspects more than others. Buddhists cleave to impermanence and Jews to establishing a covenant with God, but Jews also recognize that all things will pass, and Buddhists revere their great teacher and many strive to emulate his experience through techniques akin to those who worship God.In order for religious traditions to maintain their urgency and relevance, McDaniel suggests that they must respond actively to the looming threat of environmental degradation. Consumer culture drives people into a state of indifference about natural resources, and arrogance prevents people from taking an interest in the life patterns and cultures of others. These tendencies lie at the root of the world's troubles. McDaniel suggests that process theology can remedy these ills by calling people into a state of compassion and can help guide people toward adopting thoughtful self-criticism, to living a more simple life, to recognizing the importance of other living beings and ecosystems, and to celebrating diversity of cultures. Echoing a refrain long associated with process thought, McDaniel writes "the universe is a creative and creating process of interdependent events, lured by but not controlled by God, such that the future is not yet decided, not even by God" (p. 71). To the extent that religions sustain themselves by reinforcing separateness and promoting a narrow cultural identity and/or an unthinking fundamentalism, they can be an impediment to peace, which, for McDaniel, is an important goal of the world's religions.When attempting to theologize about ultimate matters, McDaniel posits "four faces of the sacred," which he lists as the Abyss... (shrink)

Children may be viewed as public goods whereby both parents receive equal genetic benefits yet one parent often invests more heavily than the other. We introduce a microeconomic framework for understanding household investment decisions to address questions concerning conflicts of interest over types and amount of work effort among married men and women. Although gains and costs of marriage may not be spread equally among marriage partners, marriage is still a favorable, efficient outcome under a wide range of conditions. This (...) bioeconomic framework subsumes both cooperative and conflictive views on the sexual division of labor. We test hypotheses concerning marriage markets, assortative mating, and men’s labor motivations among Tsimane forager-horticulturalists of Bolivia and find that: (1) men and women both value work effort in marital partners, (2) marital labor contributions are complementary, (3) work effort is correlated between spouses, (4) total production is correlated with total reproduction, and (5) better hunters have higher fitness gains within marital unions. (shrink)

Marleen Eijkholt presents a new argument in healthcare ethics, the false hope harms (FHH) argument. In brief, false hope promotes a host of individual harms (e.g., financial, physical, and psychological harms) and system‐level harms (e.g., distrust of medical practitioners, increased complexity of care and the associated costs), all of which provide reason for healthcare providers to stop promoting false hope in medicine. The goal of this paper is to show that the FHH argument is unsuccessful.

I consider the question of how literally one can construe the “gauge argument,” which is the canonical means of understanding the putatively central import of local gauge symmetry principles for fundamental physics. As I argue, the gauge argument must be afforded a heuristic reading. Claims to the effect that the argument reflects a deep “logic of nature” must, for numerous reasons I discuss, be taken with a grain of salt.

Patients and physicians do not know the cost of medical procedures. Opaque medical billing thus contributes to exorbitant, rising medical costs, burdening the healthcare system and individuals. After criticizing two proposed solutions to the problem of opaque medical billing, I argue that the Centers for Medicare and Medicaid Services should pursue a rule requiring that patients be informed by the physician of a reasonable out-of-pocket expense estimate for non-urgent procedures prior to services rendered.

Sudden, broad-scale shifts in public opinion about social problems are relatively rare. Until recently, social scientists were forced to conduct post-hoc case studies of such unusual events that ignore the broader universe of possible shifts in public opinion that do not materialize. The vast amount of data that has recently become available via social media sites such as Facebook and Twitter—as well as the mass-digitization of qualitative archives provide an unprecedented opportunity for scholars to avoid such selection on the dependent (...) variable. Yet the sheer scale of these new data creates a new set of methodological challenges. Conventional linear models, for example, minimize the influence of rare events as “outliers”—especially within analyses of large samples. While more advanced regression models exist to analyze outliers, they suffer from an even more daunting challenge: equifinality, or the likelihood that rare events may occur via different causal pathways. I discuss a variety of possible solutions to these problems—including recent advances in fuzzy set theory and machine learning—but ultimately advocate an ecumenical approach that combines multiple techniques in iterative fashion. (shrink)

The method of Conceptual Analysis makes use of natural language speaker intuitions about the meanings of expressions, and relies on an externalist assumption about meanings—namely, that they can be given in terms of referential relations and truth. This article argues that this widely used methodology in metaphysics is troubled, because the assumed externalist hypothesis about natural language meanings is beset with trenchant obstacles in explaining linguistic phenomena. It argues that the use of Conceptual Analysis in metaphysical investigation inherits the difficulties (...) for the externalist hypothesis generally assumed by metaphysical inquiry. It explores two cases of such investigation that serve to exemplify the breadth of topics susceptible to troubles with the externalist hypothesis regarding natural language meanings: the extended mind hypothesis and the metaphysics of causation. (shrink)

There are important reasons for states to recognize and enforce the judgments of other states’ courts. There are also reasons that may militate against recognition or enforcement of certain foreign judgments, making it appropriate to calibrate or “fine tune” the presumption favoring recognition and enforcement so it is not applied too broadly. Most calibration principles, such as the principle that a judgment from a court lacking jurisdiction should not be recognized, are case-specific. However, one calibration principle that is, to our (...) knowledge, unique to the law of the United States stands out: the principle of systemic calibration, according to which U.S. courts must not recognize or enforce foreign judgments “rendered under a system which does not provide impartial tribunals or procedures compatible with the requirements of due process of law.” In this Article, we aim to shed empirical light on how U.S.-style systemic calibration operates in practice. We find that state-of-origin indicator scores related to systemic adequacy are on average higher when U.S. courts recognize or enforce foreign judgments than when they refuse to do so. Moreover, the probability of recognition and enforcement increases as these indicator scores increase. However, in only six of the 587 opinions in our dataset did a court refuse recognition or enforcement based explicitly on the systemic inadequacy ground. Thus, while the level of systemic calibration in U.S. courts is high, it is mostly achieved implicitly. Finally, even judgments from states with low systemic adequacy scores are sometimes recognized or enforced by U.S. courts. (shrink)

La réutilisation des haches néolithiques (également appelées « celts » ou « pierres de foudre ») comme des amulettes à l’époque romaine est aujourd’hui sous-estimée. En conséquence, la date ancienne des deux petits exemples inscrits du British Museum (BM nos 1* et 504) est maintenant remise en doute, en raison d’une évaluation négative qui découle de l’utilisation insuffisante de comparanda. En comparaison avec le corpus croissant de pierres magiques, les médias de ces deux petites haches (jadéite ou serpentine), leur poli (...) et leur forme semblent en effet suspects et difficiles à évaluer comme gemmes en soi, mais quand on les compare à d’autres haches néolithiques inscrites et anépigraphes trouvées dans sites romains et plus tard, il s’avère que les deux pierres à Londres appartiennent à une catégorie bien définie de « pierres de foudre » réutilisées comme amulettes. (shrink)

The expression ‘Fake News’ inside Internet memes engenders significant online virulence, possibly heralding an iconoclastic emergence of weaponized propaganda for assaulting agencies reared on public trust. Internet memes are multimodal artifacts featuring ideological singularities designed for ‘flash’ consumption, often composed by numerous voices echoing popular, online culture. This study proposes that ‘Fake News’ Internet memes are weaponized iconoclastic multimodal propaganda discourse and attempts to delineate them as such by asking: What power relations and ideologies do Internet memes featuring the expression (...) ‘fake news’ harbor? How might those manifestations qualify as WIMP discourse? A multimodal critical discourse analysis of a small pool of ‘fake news’ Internet memes drawn from four popular social media websites revealed what agencies were often targeted and from what political canons they likely emerged. Findings indicate that many Internet memes featuring ‘fake news’ are specifically directed, revealing an underlying hazard that WIMP discourse could diminish democratic processes while influencing online trajectories of public discourse. (shrink)

Accounts of practical deliberation tend to overlook any possible role for hope. I offer an argument showing that hope sets the ends of our practical deliberations and is thereby necessary for practical deliberation. It is because I hope to summit the mountain by midday that I deliberate about how to do so. Absent this particular hope, I could not deliberate about how to summit the mountain by midday.

This essay surveys some of the problems facing theories of public deliberation that are “exclusivist” insofar as they account for good participation in terms of a citizen’s refusal to use certain kinds of reasons. It then argues for a more promising alternative: one that focuses on citizens’ character rather than the content of their reasons. More specifically, it is possible to distinguish good participation from bad by considering the extent to which the citizen possesses and demonstrates the virtue of reasonableness. (...) This virtue-based account avoids the problems facing exclusivism, while still providing a basis for evaluating civic participation. (shrink)

In ‘Dilemma for Appeals to the Moral Significance of Birth’, we argued that a dilemma is faced by those who believe that birth is the event at which infanticide is ruled out. Those who reject the moral permissibility of infanticide by appeal to the moral significance of birth must either accept the moral permissibility of a late-term abortion for a non-therapeutic reason or not. If they accept it, they need to account for the strong intuition that her decision is wrong (...) as well as deny the underlying normative principle that killing a viable fetus requires good reason, and not wanting to care for the child when the child could be easily placed for adoption is not a good enough reason to abort. If they reject the moral permissibility of the late-term abortion, they need to explain why her decision is wrong. Doing so, however, will undermine their own project of denying infanticide by appeal to birth. Walter Veit argues that the dilemma relies too much on intuition and does not live up to biological continuity. We explain why his criticisms are unconvincing. (shrink)

The year 2019 witnessed the 20th Jubileum of the Växjö conference series on quantum foundations and probability in physics. This has been the longest running series of conferences on the subject in history. Many old and new friendships were forged at Linnaeus University and the beautiful surrounding lakes of Småland, where once yearly everyone gathers to renew the debate and report their latest progress. 2019 also represents the Porcelain Anniversary—18 years—of the point of view on quantum theory known as QBism. (...) In this regard, the 2001 meeting in the series was pivotal in more ways than one. Not only did it instigate Fuchs’s break [1] from the earlier (Jaynes style) “objective Bayesianism” and neo-Copenhagen thinking of Caves et al. [2], but it was the first meeting at an international scale to indicate that the quantum information revolution might have something genuine to contribute to quantum foundational thought. That meeting set the pace far beyond Växjö by the participation of a number of luminaries of quantum information: The late Asher Peres, Daniel Greenberger, David Mermin, Herbert Bernstein, Carlton Caves, Rüdiger Schack, Richard Jozsa, Benjamin Schumacher, and John Smolin. One could almost hear a battle cry echo from the woods, “Quantum foundations from quantum information or die!” The foundations debate had turned so stale by the time, it would surely die without an influx of new thinking. (shrink)

Thomas Reid often seems distant from other Scottish Enlightenment figures. While Hume, Hutcheson, Kames, and Smith wrestled with the nature of social progress, Reid was busy with natural philosophy and epistemology, stubbornly loyal to traditional religion and ethics, and out of touch with the heart of his own intellectual world. Or was he? I contend that Reid not only engaged the Scottish Enlightenment's concern for improvement, but, as a leading interpreter of Isaac Newton and Francis Bacon, he also developed a (...) scheme to explain the progress of human knowledge. Pulling thoughts from across Reid's corpus, I identify four key features that Reid uses to distinguish mature sciences from prescientific arts and inquiries. Then, I compare and contrast this scheme with that of Thomas Kuhn in order to highlight the plausibility and originality of Reid's work. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:The Undercutter, the Woodcutter, and Greek Demon Names Ending in -tomos (Hom. Hymn to Dem 228-29)Christopher A. FaraoneEarly in the homeric Hymn to Demeter, the disguised goddess, when offered employment as a nurse for a young child, responds with the following boast about her knowledge of protective magic (lines 227-30):1228 M: Ignarra, DelatteI will nurse him, and I do not expect—through any weak-mindedness of his nurse—that witchcraft or (...) an "undercutter" will harm him, for I know an antidote far stronger than a "woodcutter" and I know an excellent defense against woeful witchcraft.Scholars have long noted that in her boast the goddess seems to imitate a magical charm. Richardson (1974) points out, for instance, the peculiar "incantatory" character of these verses, signaled by such devices as the repetition of words and sounds, chiasmus, and the anaphora of oida—a word that elsewhere in epic is limited to special kinds of song, for example, that of the Muses (Th. 27-28) or the Sirens (Od. 12. 189-91). In addition [End Page 1] to these general features, Paul Maas showed more than fifty years ago that the second line of Demeter's boast is quite similar in structure to the penultimate line of a hexametrical incantation inscribed on a late fourth-or early third-century B.C.E. lead amulet from Phalasarna, Crete:2shall not harm me with ointment or with application or with drink or with incantation.The striking similarities in content (both texts are concerned with protective magic) and form (the identical placement of the words... in a single hexametrical verse) can hardly be coincidental, and, although one can never rule out the possibility that the amulet may be quoting or adapting the language of the hymn, it seems much more likely that Maas is correct in thinking that both depend on an even earlier hexametrical charm.3There is general agreement, then, that Demeter's boast reflects or mimics a protective incantation in both its form and content. There is also a wide consensus that: (1) the words hupotamnon and hulotomos, closely conjoined by chiasmus (), must have similar meanings; and (2) they both refer to agents who "cut the "4 or "cut under" something.5 There has, however, [End Page 2] been a notable lack of agreement on who or what precisely the "undercutter" and the "woodcutter" are. Nearly a century ago T. W. Allen, marshaling a number of cross-cultural parallels, suggested that both were euphemistic names for the worms blamed for toothaches in adults and for teething pains in children.6 In recent years, however, Allen's interpretation has generally been supplanted by Richardson's suggestion (1974, 230) that the terms antitomon, hupotamnon, and hulotomos "must all refer to the same thing, namely the cutting of herbs for magical purposes" and that both hupotamnon and hulotomos probably designate a human agent versed in this special art. Thus he translates line 229 as "I know an antidote more powerful than the herb-cutter, " a rather terse formulation that presumably should be expanded as follows: "I know an antidote more powerful than (the poison that) the herb-cutter (knows)." According to Richardson's reading, then, both "undercutter" and "woodcutter" refer to human agents who may try to poison the baby with noxious herbs, and Demeter's boast contrasts the superior (defensive) herbal lore of wet nurses to that of professional herbalists, who are in fact regularly called root cutters (rhizotomoi). This interpretation is quite reasonable, and in recent years it seems to have ousted Allen's in subsequent editions and translations.7 This judgment may, however, be premature: some recently discovered or reedited magical texts suggest that names ending in - were also used regularly to describe harmful gods or demons who were thought to cause pain by cutting into the human body. I shall therefore attempt here a revised version of Allen's argument, namely that the word hulotomos probably [End Page 3] does not refer to a worm, but rather to a supernatural force or demon who attacks the gums of teething babies. Since there are no parallels for such names in the form or, my... (shrink)

Prabhpal Singh has defended a relational account of the difference in moral status between fetuses and newborns. Newborns stand in the parent-child relation while fetuses do not, and standing in the parent-child relationship brings with it higher moral status for newborns. Orphans pose a problem for this account because they do not stand in a parent-child relationship. I argue that Singh has not satisfactorily responded to the problem.

In this article, we examine the advantages of simple metacognitive capabilities in a repeated social dilemma. Two types of metacognitive agent were developed and compared with a non-metacognitive agent and two fixed-strategy agents. The first type of metacognitive agent takes the perspective of the opponent to anticipate the opponent's future actions and respond accordingly. The other metacognitive agent predicts the opponent's next move based on the previous moves of the agent and the opponent. The modeler agent achieves better individual outcomes (...) than a non-metacognitive agent and is more successful at encouraging cooperation. The opponent-perspective agent, by contrast, fails to achieve these outcomes because it lacks important information about the opponent. These simple agents provide insights regarding modeling of metacognition in more complex tasks. (shrink)

If a colleague of mine, whose opinion I respect, disagrees with me about some claim, this might give me pause regarding my position on the matter. The Equal Weight view proposes that in such cases of peer disagreement I ought to give my colleague’s opinion as much weight as my own, and decrease my certainty in the disputed claim. One prominent criticism of the Equal Weight view is that treating higher-order (indirect) evidence in this way invariably swamps first-order (direct) evidence. (...) While the opinions of our peers matter in our deliberations, the Equal Weight view counter-intuitively requires that evidence of mere disagreement is more important than standard kinds of evidence. I offer a proposal for how we should idealize epistemic agents that identifies the variable feature of disagreements that accounts for the shifting significance of direct and indirect evidence in different disagreement contexts. Specifically, by idealizing epistemic agents as deriving functions that characterize the non-subjective relationship between a body of evidence and the reasonableness of believing the various propositions supported by that evidence, we can accommodate the intuition to compromise that motivates the Equal Weight view, without accepting the counter-intuitive results. (shrink)