Rare footprints suggest two of our prehistoric ancestors may have met - The Washington Post
- Rare footprints suggest two of our prehistoric ancestors may have met The Washington Post
- Footprints in Kenya ‘show distant relatives of modern humans coexisted’ The Guardian
- Two ancient human species walked the same path together 1.5 million years ago The Telegraph
- 1.5 million-year-old footprints reveal our Homo erectus ancestors lived with a 2nd proto-human species Livescience.com
- Mysterious Human Footprints From 1.5 Million Years Ago Reveal a Surprise ScienceAlert