نتایج جستجو برای: prehistory
تعداد نتایج: 1379 فیلتر نتایج به سال:
Southern and eastern African populations that speak non-Bantu languages with click consonants are known to harbour some of the most ancient genetic lineages in humans, but their relationships are poorly understood. Here, we report data from 23 populations analysed at over half a million single-nucleotide polymorphisms, using a genome-wide array designed for studying human history. The southern ...
The vast amount of information being gathered about human DNA sequence variation raises the question of what these data can tell us about events in our past. A new way has been found by which patterns of linkage disequilibrium can be used to detect the effects of natural selection in human prehistory.
" Liberty and forest laws are incompatible, " remarked an English country vicar, speaking on behalf of villagers shut out of woodland reserved for the exclusive use of the king, in 1720. 1 The history of state forestry is indeed a history of social conflict. In monarchies and in democracies, in metropolitan Europe as well as in colonial South Asia, the state management of forests has met bitter...
The earliest non-taxonomic appearance of Arabidopsis in the literature of botany appears to be a paper by Alexander Braun in 1873, describing a mutant plant found in a field near Berlin (7). The mutation was almost certainly in the AGAMOUS gene, now well known as one of the floral ABC regulators and cloned in 1990 (54). The next notable appearance of Arabidopsis in the experimental literature w...
1 Institute of Earth Sciences Jaume Almera Consejo Superior de Investigaciones Científicas (ICTJA-CSIC), Barcelona, Spain, 2 Department of Prehistory, Ancient History and Archaeology, Universitat de Barcelona, Barcelona, Spain, 3 Ecological Research Center and Forestry Applications (CREAF-CSIC), Cerdanyola del Vallès, Spain, 4 Department of Stratigraphy, Paleontology and Marine Geosciences, Uni...
this article aims at analyzing the figurines of hajilar located in central anatolia. it specifically analyzes the female figurines found in level vi of hajilar related to the neolithic culture. apart from that, some theories regarding different functions of these figurines are also discussed in the present article. in order to have a better understanding of the nature of these figurines, their ...
The next steps after this prehistoric Part I will be directed to a description of the Howe operators introduced by Kudla and Millson and their special Schwartz forms and classes. This has as attractor the fact that the modular and automorphic forms arising naturally in context with these classes find very nice geometric interpretations of their Fourier coefficients and thus lead to an intriguin...
The degree to which the spread of farming into Europe was accompanied by demographic shifts is subject to intense debate. Genetic evidence from Europe's first farmers and their hunter-gatherer counterparts now suggests an important role for the immigration of farmers.
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