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Ciclos naturais: como a natureza opera a evolução, aborda de maneira simplificada alguns importantes conhecimentos científicos, considerando a natureza e seus processos de evolução do universo, ciclos e dinâmicas do Sistema Solar e Terrestre, com uma linguagem desocupada. O objetivo é promover a divulgação científica a respeito do processo cíclico da evolução da natureza ajudando a entender a origem da vida, assim como, o papel da humanidade para combater os desastres naturais.
This volume contains papers giving an interdisciplinary review of 12 major rift systems from North and South America, Africa, Europe and Asia. These papers are written by an international group of academic and industrial specialists each of whom is most knowledgeable about the respective rift. The analyzed rifts were selected on the basis of availability of an as-complete-as-possible geological and geophysical data base. Thirteen papers deal with geodynamic processes governing the evolution of rifts.A comprehensive digest of the available stratigraphic, structural, geophysical and petrological data, together with an extensive list of references, is provided for each of the analyzed rift syst...
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This volume surveys the chemistry, biochemistry, biosynthesis, metabolism and pharmacological properties of lectins. Lectins, which are most commonly found in plants, are widespread natural products with striking biological activities. Their specific ability to recognise and bind to simple or complex saccharides facilitates their role as effective information protein molecules. As agents of cell-to-cell recognition, lectins promote symbiosis between plants and specific nitrogen-fixing soil bacteria. As natural defensive molecules, they can protect plants against predators such as bacteria, fungi and insects. As part of our diet, lectins are powerful exogenous growth factors in the small intestine and influence our health, the digestive function and the bacterial ecology of the alimentary tract. Lectins are also important research tools in preparative biochemistry and cell science.
PLACAR: a maior revista brasileira de futebol. Notícias, perfis, entrevistas, fotos exclusivas.
Useful for undergraduate study, this book provides an account of the Turing Test, its history, context and implications, illustrated with practical tests.
Modernity in Black and White provides a groundbreaking account of modern art and modernism in Brazil. Departing from previous accounts, mostly restricted to the elite arenas of literature, fine art and architecture, the book situates cultural debates within the wider currents of Brazilian life. From the rise of the first favelas, in the 1890s and 1900s, to the creation of samba and modern carnival, over the 1910s and 1920s, and tracking the expansion of mass media and graphic design, into the 1930s and 1940s, it foregrounds aspects of urban popular culture that have been systematically overlooked. Against this backdrop, Cardoso provides a radical re-reading of Antropofagia and other modernist currents, locating them within a broader field of cultural modernization. Combining extensive research with close readings of a range of visual cultural production, the volume brings to light a vast archive of art and images, all but unknown outside Brazil.