Abstract
ABSTRACT Recent analyses of lake sediments in Alaska have provided physical evidence supporting the genetically inferred Beringian Standstill Hypothesis and insight into the location of its occurrence. However, the biomarkers analyzed in these sediments are relatively novel paleoenvironmental proxies, so their reliability is understandably scrutinized. Further, the timing of human presence inferred from these sediments predates the oldest, unequivocal archaeological artifacts in Alaska. In this Perspective essay, I discuss the interpretation, limitations, and implications of the sedimentary analyses. Additionally, I explore the archaeological dilemma that they pose.
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