![]() What's more, the footprints spanned a significant time period, suggesting that humans frequented the area for at least a few thousand years. The footprints were mostly made by children and teenagersīennett and his colleagues, whose paper was published Thursday, determined that the tracks belonged to numerous people, mostly children and teenagers. The date would place human habitation in the Americas during the Last Glacial Maximum and at least 5,000 years earlier than widely accepted evidence has yet suggested. They concluded that the footprints were made between 21,000 and 23,000 years ago. Writing in the journal Science, a team of researchers led by Matthew Bennett of Bournemouth University in England examined a set of human footprints preserved on an ancient lakeshore in New Mexico's White Sands National Park, a location now known for its expansive - and dry - chalk-colored dunes. Now, analysis of ancient fossilized human footprints in New Mexico has pushed the date back once again - to at least 21,000 years ago. The question of when humans first migrated to North America has long been a matter of hot debate among researchers who have continually uncovered evidence of ever-earlier dates. According to a report published in the journal Science, the impressions indicate that early humans were walking across North America around 23,000 years ago. Fossilized human footprints shown at the White Sands National Park in New Mexico. ![]()
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