• Publications
  • Influence
The revolution that wasn't: a new interpretation of the origin of modern human behavior.
Proponents of the model known as the "human revolution" claim that modern human behaviors arose suddenly, and nearly simultaneously, throughout the Old World ca. 40-50 ka. This fundamental behavioralExpand
  • 1,995
  • 163
  • PDF
Microfossils in calculus demonstrate consumption of plants and cooked foods in Neanderthal diets (Shanidar III, Iraq; Spy I and II, Belgium)
The nature and causes of the disappearance of Neanderthals and their apparent replacement by modern humans are subjects of considerable debate. Many researchers have proposed biologically orExpand
  • 359
  • 19
  • PDF
The environmental context for the origins of modern human diversity: a synthesis of regional variability in African climate 150,000-30,000 years ago.
We synthesize African paleoclimate from 150 to 30 ka (thousand years ago) using 85 diverse datasets at a regional scale, testing for coherence with North Atlantic glacial/interglacial phases andExpand
  • 198
  • 17
  • PDF
A middle stone age worked bone industry from Katanda, Upper Semliki Valley, Zaire.
Three archaeological sites at Katanda on the Upper Semliki River in the Western Rift Valley of Zaire have provided evidence for a well-developed bone industry in a Middle Stone Age context. ArtifactsExpand
  • 283
  • 10
Dating and context of three middle stone age sites with bone points in the Upper Semliki Valley, Zaire.
The extent to which the earliest anatomically modern humans in Africa exhibited behavioral and cognitive traits typical of Homo sapiens sapiens is controversial. In eastern Zaire, archaeologicalExpand
  • 203
  • 9
Older than the Oldowan? Rethinking the emergence of hominin tool use
Using information from primatology, functional morphology, phylogeny, archeology, and paleoanthropology, we argue that before 2.5 mya hominins may have used tools, including unmodified and possiblyExpand
  • 181
  • 8
  • PDF
Plant foods and the dietary ecology of Neanderthals and early modern humans.
One of the most important challenges in anthropology is understanding the disappearance of Neanderthals. Previous research suggests that Neanderthals had a narrower diet than early modern humans, inExpand
  • 130
  • 7
  • PDF
Chronology of the Acheulean to Middle Stone Age transition in eastern Africa
The Middle Stone Age in Africa The Olorgesailie basin in the southern Kenya rift valley contains sediments dating back to 1.2 million years ago, preserving a long archaeological record of humanExpand
  • 47
  • 6
Dating Pleistocene Archeological Sites by Protein Diagenesis in Ostrich Eggshell
Eggshells of the African ostrich (Struthio camelus), ubiquitous in archeological sites in Africa, have been shown by laboratory simulation experiments to retain their indigenous organic matrixExpand
  • 125
  • 5