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Perturbation, Behavioural Feedbacks, and Population Dynamics in Social Animals
In social animals, perturbations may trigger specific behavioural responses with consequences for dispersal and complex population dynamics. Perturbations raise the need for information gathering in order to reduce uncertainty and increase resilience. Updated information is then shared within the group and social behaviours emerge as a self-organized process. This social information factoralizes with the size of the group, and it is finally used for making crucial decisions about, for instance, when to leave the patch and where to go. Indeed, evolution has favoured philopatry over dispersal, and this trade-off is challenged by perturbations. When perturbations accumulate over time, they may ...
Xarxes complexes
Xarxes complexes. Del genoma a Internet és un magnífic estudi, rigorós i alhora divulgatiu, que vol fer arribar a un públic ampli i no especialitzat els descobriments més recents en el camp de les xarxes complexes, un àmbit d'estudi cada cop més important que, més enllà de la ciència, ja s'ha estès a la lingüística, les ciències socials i la tecnologia.La revolució dels últims anys en l'estudi d'aquests sistemes, basada en una nova cartografia de la complexitat i en l'aparició de conjunts de dades impensables fa un temps, ens obre les portes al coneixement de les propietats universals subjacents a les xarxes complexes, tant les naturals com les artificials. Així, descobrim que els genomes, els ecosistemes i les xarxes elèctriques comparteixen el fet de ser sistemes extremament fràgils alhora que d'una gran plasticitat i eficiència. Les conseqüències d'aquestes troballes són enormes i estan modificant amb rapidesa la nostra visió del món.
Vidas sintéticas
Con el cambio de siglo, la ciencia está experimentando una revolución que nos acerca a los límites del conocimiento humano. A lo largo de las últimas décadas, los investigadores han conseguido recrear en el ordenador entidades tan diferentes como células, enfermedades, cerebros o climas, todo ello en busca de leyes que definan su funcionamiento. En esta larga travesía, cuestiones fundamentales acerca del origen de la materia y de la vida, la naturaleza de la conciencia o la posibilidad de predecir el comportamiento humano han ido conquistando terreno a la filosofía, hasta el punto de que, para muchos, la ciencia es la que realmente puede abordar las cuestiones clásicas y su posible ...
Redes complejas
Este libro presenta a un público general los descubrimientos más recientes en el área emergente de las redes complejas, que, más allá del dominio de la ciencia, ya han comenzado a influir en los terrenos de la lingüística, las ciencias sociales e incluso el desarrollo de la tecnología.En los últimos años se ha producido una revolución en el estudio de los sistemas complejos, a la vez que asistimos al surgimiento de una nueva cartografía de la complejidad. Junto a un conjunto de datos sin precedentes acerca de las interacciones en el genoma o Internet, hemos contemplado el descubrimiento de ciertas propiedades universales que subyacen a la totalidad de las redes complejas, tanto n...
Genesis - In The Beginning
Genesis – In The Beginning deals with the origin and diversity of Life and early biological evolution and discusses the question of where (hot or cold sources) and when the beginning of Life took place. Among the sections are chapters dealing with prebiotic chemical processes and considering self-replication of polymers in mineral habitats. One chapter is dedicated to the photobiological regime on early Earth and the emergence of Life. This volume covers the role of symmetry, information and order (homochrial biomolecules) in the beginning of Life. The models of protocells and the genetic code with gene transfer are important topics in this volume. Three chapters discuss the Panspermia hypothesis (to answer “Are we from outer Space?”). Other chapters cover the Astrobiological aspects of Life in the Universe in extraterrestrial Planets of the Solar System and deal with cometary hydrosphere (and its connection to Earth). We conclude with the history and frontiers of Astrobiogy.
Terraforming Mars
TERRAFORMING MARS This book provides a thorough scientific review of how Mars might eventually be colonized, industrialized, and transformed into a world better suited to human habitation. The idea of terraforming Mars has, in recent times, become a topic of intense scientific interest and great public debate. Stimulated in part by the contemporary imperative to begin geoengineering Earth, as a means to combat global climate change, the terraforming of Mars will work to make its presently hostile environment more suitable to life—especially human life. Geoengineering and terraforming, at their core, have the same goal—that is to enhance (or revive) the ability of a specific environment t...
Art as We Don't Know it
What worlds are revealed when we listen to alpacas, make photographs with yeast or use biosignals to generate autonomous virtual organisms? Bioart invites us to explore artistic practices at the intersection of art, science and society. This rapidly evolving field utilises the tools of life sciences to examine the materiality of life; the collision of human and nonhuman. Microbiology, virtual reality and robotics cross disciplinary boundaries to engage with arts as artists and scientists work together to challenge the ways in which we understand and observe the world. This book offers a stimulating and provocative exploration into worlds emerging, seen through art as we don?t know it ? yet.0...
The Hypercycle
This book originated from a series of papers which were published in "Die Naturwissenschaften" in 1977178. Its division into three parts is the reflection of a logic structure, which may be abstracted in the form of three theses: A. Hypercycles are a principle of natural selforganization allowing an inte gration and coherent evolution of a set of functionally coupled self-rep licative entities. B. Hypercycles are a novel class of nonlinear reaction networks with unique properties, amenable to a unified mathematical treatment. C. Hypercycles are able to originate in the mutant distribution of a single Darwinian quasi-species through stabilization of its diverging mutant genes. Once nucleated ...
Plant Virus Evolution
This book provides a comprehensive look at the field of plant virus evolution. It is the first book ever published on the topic. Individual chapters, written by experts in the field, cover plant virus ecology, emerging viruses, plant viruses that integrate into the host genome, population biology, evolutionary mechanisms and appropriate methods for analysis. It covers RNA viruses, DNA viruses, pararetroviruses and viroids, and presents a number of thought-provoking ideas.
Plant Virology Protocols
The aim of Plant Virology Protocols is to provide a source of infor- tion to guide the reader through the wide range of methods involved in gen- ating transgenic plants that are resistant to plant viruses. To this end, we have commissioned a wide-ranging list of chapters that will cover the methods required for: plant virus isolation; RNA extraction; cloning coat p- tein genes; introduction of the coat protein gene into the plant genome; and testing transgenic plants for resistance. The book then moves on to treatments of the mechanisms of resistance, the problems encountered with field testing, and key ethical issues surrounding transgenic technology. Although Plant Virology Protocols deals with the cloning and expression of the coat protein gene, the techniques described can be equally applied to other viral genes and nucleotide sequences, many of which have also been shown to afford protection when introduced into plants. The coat protein has, however, been the most widely applied, and as such has been selected to illustrate the techniques involved. Plant Virology Protocols has been divided into six major sections, c- taining 55 chapters in total.
