منابع مشابه
TL Dates for the Neanderthal Site of the Amud Cave, Israel
Age-estimates ranging from 50 to 70 ky were obtained for the Mousterian deposits of Amud Cave in Israel from thermoluminescence measurements performed on 19 burnt flints. The late dates obtained for the stratigraphic layers bearing hominid remains confirm the evidence for the late presence of Neanderthals in the Levant. The dates enable a more effective comparison of the lithic assemblages from...
متن کاملThe last Neanderthal.
The mechanism of the Neanderthal extinction and their replacement by modern humans of African origin is one of the most discussed issues in paleoanthropology. Central to this discussion are the questions of the chronological overlap between Neanderthal populations and modern humans in Western Eurasia and the precise geographical circumstances of this overlap. For a long time, the Vindija (Croat...
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The dispute over chlorinated contaminant cleanups is heating up amid claims about benefits of natural processes.
متن کامل‘Right to death’ debated in Fisher forum
R ecent c o n tro v e rs ie s s u r rounding the idea of individuals active ly assisting in suicides prom pted M ichael Paese, the assistant rector o f Fisher Hall, to organize a series o f forums which began on February 2 to discuss these cu rren t contro versial issues. Associate professor of philos ophy W ill ia m Solom on and John Robinson, director of Cen te r fo r Law and Government...
متن کاملGERD: A Debated Background of Achalasia
Achalasia is a primary esophageal motility disorder of unknown etiology, characterized by aperistalsis of the esophageal body and impaired lower esophageal sphincter (LES) relaxation. Available data suggest that the disease is multifactorial, but the exact initiating factors that may play a role in the development of the disease remain unclear. Case presentation: We report the case of a 65 year...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/356200b0