North and south america dating site 2016

It took decades, and a countless number of SCUBA tanks.

Now, the painstaking excavation of an underwater archaeological site in northern Florida may change our understanding of when humans first populated North America.

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The oldest dates calculated for the Winnemucca Lake petroglyph site correspond with the time frame linked to several pieces of fossilized human excrement found in a cave in Oregon, said Benson, who also is affiliated with CU's Institute of Arctic and Alpine Research.

Scientists deciphered maternal genetic material from two babies buried together in Alaska 11,500 years ago.

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