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adapted to steppe-desert climate extremes one million years ago.
Commun Earth Environ
January 2025
University of Manitoba, Department of Earth Sciences, Winnipeg, MB Canada.
Questions about when early members of the genus adapted to extreme environments like deserts and rainforests have traditionally focused on . Here, we present multidisciplinary evidence from Engaji Nanyori in Tanzania's Oldupai Gorge, revealing that thrived in hyperarid landscapes one million years ago. Using biogeochemical analyses, precise chronometric dating, palaeoclimate simulations, biome modeling, fire history reconstructions, palaeobotanical studies, faunal assemblages, and archeological evidence, we reconstruct an environment dominated by semidesert shrubland.
View Article and Find Full Text PDFShared intentionality may have been favored by persistence hunting in .
Behav Brain Sci
January 2025
Department of Psychology and Neuroscience, Duke University, Durham, NC,
Shared intentionality is the derived hominin motivation and skills to align mental states. Research on the role of interdependence in the phylogeny of shared intentionality has only considered the archeological record of . But ethnographic and fossil data must be considered, too.
View Article and Find Full Text PDFTaxonomic revision of the SK 15 mandible based on bone and tooth structural organization.
J Hum Evol
January 2025
Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China; CAS Center for Excellence in Life and Paleoenvironment, Beijing 100044, China.
The hominin mandible SK 15 was discovered in April 1949 in Swartkrans Member 2, dated to ∼1.4 Ma. Albeit distorted on the right side, the left and right corpus of SK 15 are relatively low and thick, even compared to most Early to Middle Pleistocene Homo specimens.
View Article and Find Full Text PDFFootprint evidence for locomotor diversity and shared habitats among early Pleistocene hominins.
Science
November 2024
Turkana Basin Institute, Stony Brook University, Stony Brook, NY, USA.
For much of the Pliocene and Pleistocene, multiple hominin species coexisted in the same regions of eastern and southern Africa. Due to the limitations of the skeletal fossil record, questions regarding their interspecific interactions remain unanswered. We report the discovery of footprints (~1.
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