Discovery of oldest footprints gives clues to Mexico's climate
Phys.org,
The oldest human footprints in North America have been dated for the first time and could help scientists to understand what…
The oldest human footprints in North America have been dated for the first time and could help scientists to understand what…
The oldest human footprints in North America have been dated for the first time and could help scientists to understand what…
Now that's a lasting impression. Footprints found in the soft limestone of the Mexican desert have been identified as the…
Two footprints – one left and one right – stamped in the Mexican desert over 10,000 years ago are the oldest known human…