Animal vocalizations convey important information about the emitter, including sex, age, biological quality, and emotional state. Early on, Darwin proposed that sex differences in auditory signals and vocalizations were driven by sexual selection mechanisms. In humans, studies on the association between male voice attributes and physical formidability have thus far reported mixed results. Hence, with a view to furthering our understanding of the role of human voice in advertising physical formidability, we sought to identify acoustic attributes of male voices associated (...) with physical formidability proxies. Mean fundamental frequency, formant dispersion, formant position, and vocal tract length data from a sample of 101 male voices was analyzed for potential associations with height, weight, and maximal handgrip strength. F0 correlated negatively with HGS; Pf showed negative correlations with HGS, height and weight, whereas VTL positively correlated with HGS, height and weight. All zero-order correlations remained significant after controlling for false discovery rate with the Benjamini–Hochberg method. After controlling for height and weight—and controlling for FDR—the correlation between F0 and HGS remained significant. In addition, to evaluate the ability of human male voices to advertise physical formidability to potential mates, 151 heterosexual female participants rated the voices of the 10 strongest and the 10 weakest males from the original sample for perceived physical strength, and given that physical strength is a desirable attribute in male partners, perceived attractiveness. Generalized linear mixed model analyses—which allow for generalization of inferences to other samples of both raters and targets—failed to support a significant association of perceived strength or attractiveness from voices alone and actual physical strength. These results add to the growing body of work on the role of human voices in conveying relevant biological information. (shrink)

Tal como se ha plasmado en la historia, la crisis del pensamiento moderno, más que nada, ha dependido del hecho de haberse estructurado en franca colisión con las verdades relativas a la naturaleza de las cosas y al modo humano de conocerlas. Si bien tuvo su origen en una pluralidad de causas, este suceso fue provocado principalmente por el rechazo nominalista de la solución de la querella de los universales enunciada en el siglo XIII por Santo Tomás de Aquino. Rechazada (...) la solución tomista de tal controversia, el nominalismo propuso una serie de argumentos enderezados a reemplazar el conjunto de teorías aquinianas adversas, pero con ello no ha podido esquivar las consecuencias lógicas que se siguen de dicha recusación. En este sentido, en la medida en que Santo Tomás ha resuelto la querella de los universales, en esa misma medida la desestimación nominalista de tal solución ha contravenido la inteligencia del ente en cuanto ente, que es lo mismo que decir el conocimiento de las cosas en cuanto tales. (shrink)

Slightly revised version of the author's habilitation--Universitèat Gèottingen, 2014.

Working in Germany between the two world wars, John Heartfield developed an innovative method of appropriating and reusing photographs to powerful political effect. As a pioneer of modern photomontage, he sliced up mass media photos with his iconic scissors and then reassembled the fragments into compositions that utterly transformed the meaning of the originals. In John Heartfield and the Agitated Image, Andrés Mario Zervigón explores this crucial period in the life and work of a brilliant, radical artist whose desire (...) to disclose the truth obscured by the mainstream press and imperial propaganda made him a de facto prosecutor of Germany’s visual culture. Zervigón charts the evolution of Heartfield’s photomontage from an act of antiwar resistance into a formalized and widely disseminated political art in the Weimar Republic. Appearing on everything from campaign posters to book covers, the photomonteur’s notorious pictures challenged well-worn assumption and correspondingly walked a dangerous tightrope over the political, social, and cultural cauldron that was interwar Germany. Zervigón explains how Heartfield’s engagement with montage arose from a broadly-shared dissatisfaction with photography’s capacity to represent the modern world. The result was likely the most important combination of avant-garde art and politics in the twentieth century. A rare look at Heartfield’s early and middle years as an artist and designer, this book provides a new understanding of photography’s role at this critical juncture in history. (shrink)

The recent detection of gravitational waves by the LIGO team has rightly been hailed as “the crowning achievemen of classical physics”. This detection, which came at the end of a decade-long quest, involved 950 investigators, and cost around one billion US dollars, was the scientific star of the year 2015. What, if any, is the philosophical impact of this scientific breakthrough, which Albert Einstein had anticipated one century earlier? To answer this question we start by examining the central equations of (...) Einstein’s theory of gravitation, also known as general relativity. Subsequently we analyze the special case of a hollow sphere, in an attempt to answer the question of the reality and even materiality of space or, rather, spacetime. As well, the view that gravitation is a manifestation of the curvature of spacetime is discussed, and the reality of gravitational waves is regarded as the coup de grâce to that view. (shrink)

Philosophy is indeed currently at a low ebb, admits Bunge (logic and metaphysics, McGill U.), but cites earlier crises from which it has recovered and suggests how the situation can be improved now. His topics include humanism in the information revolution, diagnosing pseudo-science, and values and morals in a materialist and realist perspective. c. Book News Inc.

L'analisi dei canoni conciliari e delle epistole pontificie mostra che i cristiani sono stati direttamente coinvolti con eventi spettacolari e, nonostante i ripetuti divieti, la danza e la musica rimasero centrali sia in pubblico che in privato, facendo il loro ingresso all’interno dei riti e degli edifici cristiani.

Mindfulness is associated with a wide range of beneficial outcomes such as well-being. However, less is known about the mechanisms underlying these benefits. Some researchers suggest that the benef...

The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review (...) within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students. (shrink)