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Temporada 14
Fecha de emisión
Ene 30, 2004
This episode has no summary.
This episode has no summary.
Fecha de emisión
May 11, 2004
This episode has no summary.
This episode has no summary.
Fecha de emisión
May 19, 2004
This episode has no summary.
This episode has no summary.
Fecha de emisión
Jun 15, 2004
This episode has no summary.
This episode has no summary.
Fecha de emisión
Jun 22, 2004
This episode has no summary.
This episode has no summary.
Fecha de emisión
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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