By Ike A. Offor
Humans may have inhabited U.S. 115,000 years earlier than previously thought, some new archeological findings have revealed so.
In some of their findings, Scientists say whoever processed the bones was doing so to make tools and to extract the marrow.
New research into ancient mastodon bones and stone tools were originally discovered in California in 1992 and this suggests that humans arrived in the United States 115,000 years earlier than previously thought.
