Archaeologists excavating beneath a California highway stumbled upon a find they say could rewrite human history. The discovery, buried deep under layers of soil and asphalt, appears to predate known settlement timelines by thousands of years.
During a routine highway expansion project in California, construction crews uncovered a deposit that was not identified in any prior geological or archaeological assessment of the corridor. The discovery halted work, brought in teams of archaeologists, and produced dating results that have since presented a significant challenge to established thinking about when humans first arrived in the Ameri…