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"Who were the first humans to inhabit North America? According to the now familiar story, mammal hunters entered the continent some 12,000 years ago via a land bridge that spanned the Bering Sea and introduced the distinctive stone tools of the Clovis culture. Drawing from original archaeological analysis, paleoclimatic research, and genetic studies, noted archaeologists Dennis J. Stanford and Bruce A. Bradley challenge that narrative. Their hypothesis places the technological antecedents of Clovis technology in Europe, with the culture of Solutrean people in France and Spain more than 20,000 years ago, and posits that the first Americans crossed the Atlantic by boat and arrived earlier than previously thought."--Back cover.
"Who were the first humans to inhabit North America? According to the now familiar story, mammal hunters entered the continent some 12,000 years ago via a land
This splendid guide to tree identification contains more than 1,000 full-color photographs. Each tree is illustrated in full detail -- by leaf, flower, fruit, b
As economic and military walls have come down in the post-Cold War era, states have rapidly built new barriers to prevent a perceived invasion of undesirables.
Increasing levels of auto ownership and use are causing severe social, economic, and environmental problems in virtually all countries in Europe and North Ameri
"John W. I. Lee and Michael North bring together international and interdisciplinary scholars to analyze a wide scope of border issues and to encourage a nuance
