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#WhiteSands

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Wheelbarrow without wheel: Drag marks and footprints at #WhiteSands National Park in New Mexico, left by people pulling long pieces of wood laden with heavy goods 22,000 years ago might be earliest known evidence of #travois use.

newscientist.com/article/24696 via @newscientist

New Scientist · 22,000-year-old tracks are earliest evidence of transport vehiclesBy Michael Le Page

New analyses seem to confirm a higher age for ancient #footprints at New Mexico’s #WhiteSands National Park, suggesting humans were present in southern North America about 23,000-20,000 years ago, i.e. during the Last Glacial Maximum:

smithsonianmag.com/science-nat via Smithsonian Magazine

Smithsonian Magazine · North America's Oldest Known Footprints Point to Earlier Human Arrival to the ContinentBy Brian Handwerk

Further evidence points to footprints in New Mexico being the oldest sign of humans in the Americas.

AP reports "The footprints were discovered at the edge of an ancient lakebed in White Sands National Park and date back to between 21,000 and 23,000 years ago."

flip.it/1UVOjB

And here's the original research in Science: science.org/doi/10.1126/scienc

AP News · Further evidence points to footprints in New Mexico being the oldest sign of humans in AmericasBy CHRISTINA LARSON