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    Home / News / World News / Early humans were walking across North America 23,000 years ago
    Early humans were walking across North America 23,000 years ago
    World

    Early humans were walking across North America 23,000 years ago

    Written by Varnika Sharma
    (PTI desk)
    September 24, 2021 | 11:35 am 2 min read
    Early humans were walking across North America 23,000 years ago
    The footprints were found in a dry lake bed in White Sands National Park

    Fossilized footprints discovered in New Mexico indicate that early humans were walking across North America around 23,000 years ago, researchers reported Thursday. The footprints were found in a dry lake bed in White Sands National Park, first spotted in 2009 by a park manager. Scientists analyzed seeds stuck in the footprints to determine their approximate age, ranging from around 22,800 and 21,130 years ago.

    A now-submerged land bridge connected Asia to Alaska

    Most scientists at the US Geological Survey believe ancient migration came by way of a now-submerged land bridge that connected Asia to Alaska. Based on various evidence including stone tools, fossil bones, and genetic analysis other researchers have offered a range of possible dates for human arrival in the Americas, from 13,000 to 26,000 years ago or more.

    Fossil footprints are more indisputable, direct evidence than cultural artifacts

    The current study provides a more solid baseline for when humans definitely were in North America, although they could have arrived even earlier, the authors say. Fossil footprints are more indisputable and direct evidence than cultural artifacts, modified bones, or other more conventional fossils, they wrote. What we present is evidence of a firm time and location, the authors said.

    Some footprints were of children from the last ice age

    Based on the size of the footprints, researchers believe that at least some were made by children and teenagers who lived during the last ice age. The research was published on Thursday in the journal Science. Earlier excavations in White Sands National Park have uncovered fossilized tracks left by a saber-toothed cat, dire wolf, Columbian mammoth, and other ice age animals.

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