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An aggregator for (oAnth's) daily interests in humanities, arts, science, geography, economics, politics - academia, education - activism, advocacy - itec, free software, open source, open access, open knowledge - languages in use: mostly EN, FR, DE
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Rescooped by oAnth - "offene Ablage: nothing to hide" from Résistances
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Spéculation sur les denrées alimentaires: pourquoi? qui? comment?

Entre 2006 et 2008, l'indice des prix des produits alimentaires de la FAO, l'Organisation des Nations unies pour l'alimentation et l'agriculture, a enregistré une hausse de 71% des prix des produits les plus essentiels. Cette augmentation a même atteint 126% pour le riz et les céréales. Juste après , les prix sont redescendus pour mieux repartir à la hausse. Au début de 2011, ils atteignaient de nouveau leurs niveaux de 2008. 
De nombreux observateurs évoquent un nouveau facteur : une spéculation de plus en plus forte sur les marchés des produits agricoles. 


Via Jean-Philippe BOCQUENET, dm
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Rescooped by oAnth - "offene Ablage: nothing to hide" from Aux origines
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Early Neolithic Water Wells Reveal the World's Oldest Wood Architecture

Early Neolithic Water Wells Reveal the World's Oldest Wood Architecture | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

The European Neolithization ~6000−4000 BC represents a pivotal change in human history when farming spread and the mobile style of life of the hunter-foragers was superseded by the agrarian culture. Permanent settlement structures and agricultural production systems required fundamental innovations in technology, subsistence, and resource utilization. Motivation, course, and timing of this transformation, however, remain debatable. Here we present annually resolved and absolutely dated dendroarchaeological information from four wooden water wells of the early Neolithic period that were excavated in Eastern Germany. 


Via Jean-Philippe BOCQUENET
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