Early North Americans Lived With Extinct Giant Beasts
A new University of Florida study that determined the age of skeletal remains provides evidence humans reached the Western Hemisphere during the last ice age and lived alongside giant extinct mammals. The study published online in the Journal of Vertebrate Paleontology addresses the century-long debate among scientists about whether human and mammal remains found at Vero Beach in the early 1900s date to the same time period. Using rare earth element analysis to measure the concentration of naturally occurring metals absorbed during fossilization, researchers show modern humans in North America co-existed with large extinct mammals about 13,000 years ago, including mammoths, mastodons and giant ground sloths.
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