As far back as 22,000 years ago, humans may have improvised makeshift transportation ... The results led to traces that were similar to the Alkali Flat tracks, with the poles dragged in the mud, ...

The tracks identified in New Mexico, some of which measure as long as 165 feet, were made by an X-shaped travois, while the varying size of the footprints suggest that children were in the group ...

They clip barefoot human tracks along their length ... In our experiments, the pole-ends dragged along the mud truncate footprints in the same way as the fossil example in New Mexico.

Assuming the drag marks are as old as the researchers estimate, it would make them the “oldest known evidence of vehicle ...

They clip barefoot human tracks along their length ... In our experiments the pole-ends dragged along the mud truncate footprints in the same way as the fossil example in New Mexico.

These drag-marks are preserved in dried mud that was buried by sediment and revealed by a combination of erosion and excavation. The drag-marks extend for dozens of metres before disappearing beneath ...

They clip barefoot human tracks along their length, suggesting the user dragged the travois over their own footprints as they went along.” Researchers reconstructed the travois in mud flats in ...

A recent study suggests that ancient humans in North America may have ... "In our experiments, the pole ends dragged along the mud truncate footprints in the same way as the fossil example in ...