“I am sure that especially the Native Americans are pleased with the results of the study. It is further proof that humans have been present in North America for longer than previously believed. The “Clovis First” theory, which many scientists swore to just a few years back, has finally been buried with the conclusions of this study,” says Professor Eske Willerslev, director of the Centre for GeoGenetics at the Natural History Museum of Denmark, University of Copenhagen.
Spearhead found in mastodon

However, 30 years would pass before a team of researchers was able to put a date on the spearhead and establish the identity of both the bone and the spearhead that had been embedded into the rib of the defeated mastodon. This was done through, amongst other things, DNA analysis, protein sequencing, advanced computer technology, Carbon-14 dating as well as comparisons with other mastodon findings in North America, for instance in the state of Wisconsin.
Clovis culture challenged
The first traces of the hunt for mastodons in North America have
previously been attributed the so-called Clovis culture. Clovis culture
dates back approximately 13,000 years and is viewed as a type of common
culture ancestral for all Native American tribes in North America. (The photo here shows the point point still inside the mastodon remains.Click to enlarge.)To read the full article from the University of Copenhagen website- click here.
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