Study: Footprints in New Mexico May Be Oldest Sign of Humans
New research confirms fossil human footprints in New Mexico date between 21,000 and 23,000 years old. They are likely the oldest direct evidence of humans living in the Americas.
New research confirms fossil human footprints in New Mexico date between 21,000 and 23,000 years old. They are likely the oldest direct evidence of humans living in the Americas.
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