Where Did The First Americans Come From?

At some point, humans made their way to America. When did this happen, and how can we confirm the date?

Watch More ►► How Did We Get Here?: http://dne.ws/1SN4rqA

Read More:
Evolution of Modern Humans
http://anthro.palomar.edu/homo2/mod_h...
“All people today are classified as Homo sapiens. Our species of humans first began to evolve nearly 200,000 years ago in association with technologies not unlike those of the early Neandertals.”

Genome analysis pins down arrival and spread of first Americans
http://www.sciencedaily.com/releases/...
“An international team of researchers compared the genomes of 31 living Native Americans, Siberians and people from Oceania with 23 ancient Native American genomes to establish a timeline for the arrival and spread of Amerindian populations.”
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