The First Americans: Mounting Evidence Prompts Researchers to Reconsider the Peopling of the New World (preview)

In the sweltering heat of an early July afternoon, Michael R. Waters clambers down into a shadowy pit where a small hive of excavators edge their trowels into an ancient floodplain. A murmur rises from the crew, and one of the diggers gives Waters, an archaeologist at the Center for the Study of the First Americans at Texas A&M University, a dirt-smeared fragment of blue-gray stone called chert

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The First Americans: Mounting Evidence Prompts Researchers to Reconsider the Peopling of the New World (preview)