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The study of animal communication has led to significant progress in our general understanding of motor and sensory systems, evolution, and speciation. However, one often neglected aspect is that signal exchange in every modality is constrained by noise, be it in the transmission channel or in the nervous system. This book analyses whether and how animals can cope with such constraints, and explores the implications that noise has for our understanding of animal communication. It is written by leading biologists working on different taxa including insects, fish, amphibians, lizards, birds, and mammals. In addition to this broad taxonomic approach, the chapters also cover a wide array of research disciplines: from the mechanisms of signal production and perception, to the behavioural ecology of signalling, the evolution of animal communication, and conservation issues. This volume promotes the integration of the knowledge gained by the diverse approaches to the study of animal communication and, at the same time, highlights particularly interesting fields of current and future research.
From a founding figure in the field, the definitive introduction to an exciting new science. What do the sounds of a chorus of tropical birds and frogs, a clap of thunder, and a cacophony of urban traffic have in common? They are all components of a soundscape, acoustic environments that have been identified by scientists as a combination of the biophony, geophony, and anthrophony, respectively, of all of Earth’s sound sources. As sound is a ubiquitous occurrence in nature, it is actively sensed by most animals and is an important way for them to understand how their environment is changing. For humans, environmental sound is a major factor in creating a psychological sense of place, and m...
Ants are among the most advanced social insects and are characterized by a very efficient recognition system allowing discrimination between group members and strangers, thus protecting colonies from competitors and parasites. Nestmate recognition cues are encoded in the complex hydrocarbon profile present on the cuticle of each ant. The neural mechanisms allowing ants to distinguish between friends and enemies are still not completely understood, and it is unclear whether learning plays a crucial role in this process. However, learning does play an important role when distinguishing individual identity is beneficial, as in the case of co-founding associations of ant queens that establish a dominance hierarchy. Recently, a set of experimental tools has been developed to study learning and memory in ants. This will allow exploring cognitive abilities and their underlying mechanisms in this very diverse taxon.
This is an introduction for academics, students, and poltical analysts to some of the latest trends in the study and state of culture and international history: modernity, NGOs, internationalism, cultural violence, the 'Romance of Resistance', and the culture of diplomacy.
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Blickt ein Kleinkind in den Spiegel, dann glaubt es, nicht sich selbst, sondern einen anderen zu sehen. Dieses fehlende Ich-Bewusstsein lässt sich auf die gesamtgesellschaftliche Kultur übertragen: Der Mensch erkennt sich nicht selbst. Er ist einfach da – und weiß nicht, wie er sich angesichts der Konfrontation mit der Welt verhalten soll. Stattdessen verklärt er die Welt kurzum zum Objekt, das von geistigen Subjekten getrennt ist. Damit wird er blind für das, was er ist: verwirklichtes Bewusstsein, seine Objektität. Ulrich Wolfstädter beschreibt den blinden Fleck bisherigen metaphysischen und postmetaphysischen Denkens. Mit seiner Konzeption einer Objektität des Bewusstseins unternimmt er den Versuch, eine objektive Ethik mit dauerhaftem Fundament an die Stelle des ethischen Relativismus zu setzen.
Seventy years after its demise, historian Richard J. Evans charts the ways our understanding of the Third Reich has changed.
"This book presents an extended summary of the reports from the Baltic Sea Research Institute. These compose an interdisciplinary and comprehensive description of the development of the Baltic Sea during the last 50 years, based on long-term observational data. Chapters reflect the most important features from meteorology and climate to physics and chemistry to plankton and fish, written by well-known experts of their fields. Although the focus is on the work and the data of the Baltic Sea Research Institute, other international authors have agreed to participate, contributing essential features from outside the institute's actual scope."--Pub. desc.
Now more than ever, “recognition” represents a critical concept for social movements, both as a strategic tool and an important policy aim. While the subject’s theoretical and empirical dimensions have usually been studied separately, this interdisciplinary collection focuses on both to examine the pursuit of recognition against a transnational backdrop. With a special emphasis on the efforts of women’s and Jewish organizations in 20th-century Europe, the studies collected here show how recognition can be meaningfully understood in historical-analytical terms, while demonstrating the extent to which transnationalization determines a movement’s reach and effectiveness.