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Temporada 14
Data de estreia
Jan 30, 2004
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Data de estreia
Mai 11, 2004
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Data de estreia
Mai 19, 2004
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Data de estreia
Jun 15, 2004
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Data de estreia
Jun 22, 2004
This episode has no summary.
This episode has no summary.
Data de estreia
Jul 30, 2004
“Coming into America” explores how prehistoric immigrants (host Alan Alda calls them “the true American pioneers”) might have arrived here---up to 20,000 years ago. Conventional wisdom
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“Coming into America” explores how prehistoric immigrants (host Alan Alda calls them “the true American pioneers”) might have arrived here---up to 20,000 years ago. Conventional wisdom has been that the “Clovis people” made their way down from Siberia about 13,000 years ago and spread out. But archaeologists interviewed point to artifacts in various places around the U.S. that are far older---and there's evidence that the ice sheets remained in place longer than previously thought---casting doubt on that theory.
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