منابع مشابه
Fifty Thousand Years of Extinction
The Late Quaternary extinction of megafauna has been a ‘‘hot topic’’ of research and debate since at least the time of Darwin (who discussed it in the Origin), but especially since the 1960s when Paul Martin ignited the debate with his theory of prehistoric overkill. The topic has had increasing exposure over the past ten years because of the relevance of this, the most recent palaeontological ...
متن کاملtwo thousand nine
Presidential Fellow Biology I am interested in vegetation patterns and how these patterns change as we shift from a local to a global perspective. At the landscape scale, we know that vegetation patterns are controlled by a combination of environment, historical events, and population dynamics, but the relative importance of these three elements is hotly debated. Using emerging airborne remote ...
متن کاملCarbon prices for the next thousand years
An open puzzle for climate-policy analysis is how policies could be made sensitive to climate change impacts spanning over centuries while keeping the shorterterm macroeconomic policies connected to the descriptive facts. We develop a tractable general-equilibrium model for climate-economy interactions with timedeclining pure discounting. The model resolves the puzzle: preferences over longterm...
متن کاملIslamic medical ethics a thousand years ago.
F several centuries, the world, and particularly Europe has benefited from the great contributions brought about by Muslim physicians in the field of medicine. These contributions were not only based on technical skills but also on the role of eminent Muslim physicians in establishing medical ethics. Many prominent physicians of the Islamic civilization involved themselves with professional eth...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Iowa Review
سال: 1997
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.4902