Hunting for farmers?
نویسندگان
چکیده
منابع مشابه
Human Prehistory: Hunting for the Earliest Farmers
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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Colorectal cancer is a common disease which appears to be influenced by anti-tumor immune responses. Here we discuss our recent study(1) which tracked anti-tumor CD4(+) T cell responses before and after surgical resection, highlighting the importance of regulatory T cells (T(regs)) in controlling these responses, and the influence of the tumor on these specific T‑cell populations.
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U niversity professors have seasons that, in certain neighborhoods in the vicinity of large research campuses such as where I live, loom even larger than those dictated by our planet's journey around the sun. Right now we are deeply entrenched in the one I call hunting seasonjob hunting, that is. It starts ramping up in early fall with a surge in postings for faculty positions and pilgrimages ...
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The island of Tenerife covers 203,000 hectares and has a resident population of 685,582. Approximately 12,500 hunting licenses are issued each year. There are 158,351 hectares currently available for hunting once security zones and protected areas have been excluded, resulting in a theoretical density of nearly 13 hectares per hunter. This excessive pressure has an impact on the following speci...
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ژورنال
عنوان ژورنال: Nature
سال: 1989
ISSN: 0028-0836,1476-4687
DOI: 10.1038/340268a0