In this video segment adapted from NOVA, recent archeological evidence leads scientists to revise existing theories about human migrations into the Americas around the time of the last ice age.

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Concepts

migration

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Additional Tags

new migration theories, pbs learningmedia: when did the first americans arrive?, teachers' domain, wgbh, earliest humans in america, first americans, origins of americans, early migration theories

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Classroom Considerations

Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
The intended use for this resource is Instructional

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