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2003年初,我在加拿大从事古印第安人文化研究时,得一本《科学美国人》杂志的特辑本(第13卷第2期),主题是“人类进化的新视角”(New look at Human Evolution)。在该杂志的前言里,主编约翰·雷纳(John Rennie)谈到了距今500万年至1000万年间人类演化历程;谈到了距今4万年前智人进入了欧洲,可能屠尽尼人后,智人独占鳌头成为地球上惟一最成功的灵长动物,似乎一切顺理成章。然而,2002年7月,非洲乍得
In early 2003, when I was working on the study of ancient Indian culture in Canada, I got a special edition of The American Journal of Science (Volume 13, Number 2) on the theme "New look at Human Evolution). In the preface of the magazine, editor John Rennie talks about the evolution of mankind from 5 million years to 10 million years ago. He talked about the Homo sapiens entering Europe 40,000 years ago, After the Homo sapiens became the only most primate primates on Earth, it seems that everything is a matter of course. However, in July 2002, Chad, Africa