If you're a parent you've probably tried, at some point, to navigate the supermarket with a trolley, and at least one child in tow.

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

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, ...

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.

A recent discovery in Kenya’s Koobi Fora region has given scientists a rare glimpse into the distant past, raising new ...

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 ...

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 ...