منابع مشابه
A new continent for human evolution
Early modern: A collection of 47 human teeth discovered at Daoxian is anatomically modern yet surprisingly old. (Photo: S. Xing and X-J. Wu.) Peking Man, a skull discovered near Beijing in 1929, is one of the widely known fossils of our hominin relatives, but has so far led a lonely life in a culde-sac of our evolutionary tree, now dated to around 780,000 years ago. Early movers like Homo heide...
متن کاملNew Zealand phylogeography: evolution on a small continent.
New Zealand has long been a conundrum to biogeographers, possessing as it does geophysical and biotic features characteristic of both an island and a continent. This schism is reflected in provocative debate among dispersalist, vicariance biogeographic and panbiogeographic schools. A strong history in biogeography has spawned many hypotheses, which have begun to be addressed by a flood of molec...
متن کاملa new approach to credibility premium for zero-inflated poisson models for panel data
هدف اصلی از این تحقیق به دست آوردن و مقایسه حق بیمه باورمندی در مدل های شمارشی گزارش نشده برای داده های طولی می باشد. در این تحقیق حق بیمه های پبش گویی بر اساس توابع ضرر مربع خطا و نمایی محاسبه شده و با هم مقایسه می شود. تمایل به گرفتن پاداش و جایزه یکی از دلایل مهم برای گزارش ندادن تصادفات می باشد و افراد برای استفاده از تخفیف اغلب از گزارش تصادفات با هزینه پائین خودداری می کنند، در این تحقیق ...
15 صفحه اولHuman Evolution: New Playgrounds for Natural Selection
Despite popular misconceptions, natural selection does operate in modern human populations. New studies even show that changes associated with modernization are deeply reshaping selection pressures and, perhaps, bits of our biological nature.
متن کاملA New Theory of Human Evolution
ences, and delivered with sufficient deliberationi to make note-takiing easy, these lectures convey with extraordinary vividness an idea of the actual clinical demonstrations, and incidentally the fidelity with wlhiclh Dr. Pratt took the notes and subsequently edited them. The number of cases of typhoid fever and pIneumnonia seen in the clinics serves to recall the prevalence of those diseases ...
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: Current Biology
سال: 2017
ISSN: 0960-9822
DOI: 10.1016/j.cub.2017.03.035