Humans trod the landscape of North America thousands of years earlier than previously thought, according to new research that confirms the antiquity of fossilized footprints at White Sands National Park in New Mexico using two further dating approaches.

    • Dr. Bob@lemmy.ca
      link
      fedilink
      English
      arrow-up
      1
      ·
      1 year ago

      Are you sure it’s not because they were walking through mud? I mean that’s why the footprints are preserved.