Group 3 as Sc–Y–La, rather than Sc–Y–Lu, dominates the literature. The history of this situation, including involvement by the IUPAC, is summarised. I step back from the minutiae of physical, chemical, and electronic properties and explore considerations of regularity and symmetry, natural kinds, and quantum mechanics, finding these to be inconclusive. Continuing the theme, a series of ten interlocking arguments, in the context of a chemistry-based periodic table, are presented in support of lanthanum in Group 3. In so doing, I (...) seek to demonstrate a new way of thinking about this matter. The last of my ten arguments is recast as a twenty-word categorical philosophical (viewpoint-based) statement. (shrink)

The periodic table can be simply demarcated into four classes of metal and four classes of nonmetal. Such a treatment has been obstructed by the traditional view of metalloids as in-between elements; understandable but needless boundary squabbles; and a group-by-group view of the reactive nonmetals. Setting aside these limiting notions reveals some interesting patterns and facilitates teaching and learning the periodic table.

'Perfection is finality; finality is death'. The poets and prose writers of the first and early second centuries AD were not deterred by the towering stature of their Augustan predecessors from attempting new and often brilliant variations on the now traditional themes and genres. The so-called 'Silver' Age of Latin literature has tended to be characterized in terms of dismissive or question- begging stereotypes - 'decadent', 'rhetorical', 'baroque', 'mannerist' - as a substitute for close critical argument. From the sympathetic but (...) searching appraisals in this volume the best writers of the age - Lucan, Seneca, Statius, Juvenal, Tacitus - emerge as men having something important to say and not merely technicians preoccupied with the most extravagant or paradoxical way of saying it. Complementary to these central figures as giving the age its special character and atmosphere are the minor poets, the satirists, the scholars and rhetoricians, the lesser historians, epistolographers and technical writers, whose varied activity provides the background to the main developments. The whole offers a detailed portrait of the literary interests of an age that was of necessity becoming increasingly more conscious of the past and of the problems of coping with its cultural heritage. (shrink)

This volume covers a relatively short span of time, rather less than the first three-quarters of the first century BC; but it was an age of profoundly important developments, with enduring consequences for the subsequent history of Latin literature. Original and innovative in widely differing ways as was the work of Lucretius, Sallust and Caesar in particular, the scene is dominated, historically, by two figures: Cicero and Catullus. Cicero was a politician and a man of affairs as well as a (...) man of latters, whose vast literary output reflects a range of intellectual interests unparalleled among surviving Roman writers; creator of a prose style the Quintilian regarded as synonymous with eloquence itself; and better known to us, from his letters, as a human being, than any other figure from classical antiquity. Catullus was a poet, single-mindedly devoted to fostering the tradition of learned Alexandrian poetry at Rome; the author of one slender volume of verse that has attracted more critical attention in proportion to its size than any other ancient poetry-book; and the lover of Lesbia. In these chapters it is shown how these, and other, Roman writers of genius continued the process of transforming their traditional Greek models into new and vigorous Latin forms, with lasting effects for oratory, historiography, and the higher genres of poetry. (shrink)

In the original publication of the article, the author has identified four belated corrections which are listed below.

The sixty years between 43 BC, when Cicero was assassinated, and AD 17, when Ovid died in exile and disgrace, saw an unexampled explosion of literary creativity in Rome. Fresh ground was broken in almost every existing genre, and a new kind of specifically Roman poetry, the personal love-elegy, was born, flourished, and succumbed to its own success. Latin literature now became, in the familiar modern sense of the word, classical: a balanced fusion of what was best and most stimulating (...) in earlier Greek and Roman writing, charged with new and original life by the individual genius of, most particularly, Virgil, Horace and Ovid. Augustan literature, conventionally viewed as the expression in writing of the age itself - political and social stability reflected in artistic equilibrium - turns out on a close and critical reading to have been subject to the same stresses and strains as the society in and for which it was produced. In appraising the monumental literary achievements of the age the underlying tensions and contradictions are not ignored. The critical discussions in this volume do full justice to the complexity and subtlety of the literature itself. (shrink)

The study of anarchism as a philosophical, political, and social movement has burgeoned both in the academy and in the global activist community in recent years. Taking advantage of this boom in anarchist scholarship, Nathan J. Jun and Shane Wahl have compiled twenty-six cutting-edge essays on this timely topic in New Perspectives on Anarchism.

High blood pressure is an important component of pre-eclampsia. The underlying mechanism of development of hypertension in pre-eclampsia is complicated and still remains obscure. Several theories have been advanced including endothelial dysfunction, uteroplacental insufficiency leading to generalized vasoconstriction, increased cardiac output, and sympathetic hyperactivity. Increased blood flow and pressure are thought to lead to capillary dilatation, which damages end-organ sites, leading to hypertension, proteinuria and edema. Additional theories have been put forward based on epidemiological research, implicating immunological and genetic factors. (...) None of these theories have been substantiated. Based on a review of literature this paper postulates that the initiating event for the development of preeclampsia is intermittent hypoxia associated with irregular breathing during sleep, hypoapnea, apnea,inadequate respiratory excursions during the waking hours and inadequate cardiopulmonary synchronization (abnormal sympatho-vagal balance). (shrink)

Tremor of the upper extremity is a significant cause of disability in some patients with multiple sclerosis. The MS tremor is complex because it contains an ataxic intentional tremor component due to the involvement of the cerebellum and cerebellar outflow pathways by MS plaques, which makes the MS tremor, in general, less responsive to medications or deep brain stimulation than those associated with essential tremor or Parkinson's disease. The cerebellar component has been thought to be the main reason for making (...) DBS less effective, although it is not clear whether it is due to the lack of suppression of the ataxic tremor by DBS or else. The goal of this study was to clarify the effect of DBS on cerebellar tremor compared to non-cerebellar tremor in a patient with MS. By wearing an accelerometer on the index finger of each hand, we were able to quantitatively characterize kinetic tremor by frequency and amplitude, with cerebellar ataxia component on one hand and that without cerebellar component on the other hand, at the beginning and end of the hand movement approaching a target at DBS Off and On status. We found that cerebellar tremor surprisingly had as good a response to DBS as the tremor without a cerebellar component, but the function control on cerebellar tremor was not as good due to its distal oscillation, which made the amplitude of tremor increasingly greater as it approached the target. This explains why cerebellar tremor or MS tremor with cerebellar component has a poor functional transformation even with a good percentage of tremor control. This case study provides a better understanding of the effect of DBS on cerebellar tremor and MS tremor by using a wearable device, which could help future studies improve patient selection and outcome prediction for DBS treatment of this disabling tremor. (shrink)

Peter Abelard (1079–1142 ce) was the most wide‐ranging philosopher of the twelfth century. He quickly established himself as a leading teacher of logic in and near Paris shortly after 1100. After his affair with Heloise, and his subsequent castration, Abelard became a monk, but he returned to teaching in the Paris schools until 1140, when his work was condemned by a Church Council at Sens. His logical writings were based around discussion of the “Old Logic”: Porphyry's Isagoge, aristotle'S Categories and (...) On Interpretation and boethius'S textbook on topical inference. They comprise a freestanding Dialectica (“Logic”; probably c.1116), a set of commentaries (known as the Logica [Ingredientibus], c. 1119) and a later (c. 1125) commentary on the Isagoge (Logica Nostrorum Petititoni Sociorum or Glossulae). In a work Abelard called his Theologia, issued in three main versions (between 1120 and c.1134), he attempted a logical analysis of trinitarian relations and explored the philosophical problems surrounding God's claims to omnipotence and omniscience. The Collationes (“Debates,” also known as “Dialogue between a Christian, a Philosopher and a Jew”; probably c.1130) present a rational investigation into the nature of the highest good, in which the Christian and the Philosopher (who seems to be modeled on a philosopher of pagan antiquity) are remarkably in agreement. The unfinished Scito teipsum (“Know thyself,” also known as the “Ethics”; c.1138) analyses moral action. (shrink)