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Tuesday, Oct 19, 2021
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Oldest Human Footprints Discovered In US, About 23,000 Years Old

Scientists believe that this human migration into America came through the now sunken land bridge which used to connect Alaska with Asia. The footprint fossils are discovered in New Mexico's White Sands National Park

Oldest Human Footprints Discovered In US, About 23,000 Years Old
Oldest Human Footprint Fossils Discovered In New Mexico, USA's White Sands National Park | Twitter
Oldest Human Footprints Discovered In US, About 23,000 Years Old
outlookindia.com
2021-09-24T07:43:23+05:30

Fossilised 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 at the US Geological Survey recently analysed seeds stuck in the footprints to determine their approximate age, ranging from around 22,800 and 21,130 years ago.

Most scientists 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.

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 here is evidence of a firm time and location,” they said.

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 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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