Related by context. Frequent words. (Click for all words.) 40 anthropologist 40 authors 39 geneticists 38 mammal species 38 hunter gatherers 37 Anthropologist 37 anthropology professor 37 humans 36 postdoctoral fellow 35 biologist 35 author 35 paleontologists 35 Natural History 35 researchers 35 evolutionary biologists 35 botanist 34 coauthor 34 evolutionary biologist 34 fossils 34 anthropology 34 homelands 34 habitation 34 cultural anthropologist 34 geneticist 33 colonized 33 paleontologist 33 postdoctoral research 33 postdoctoral researcher 33 hominid 33 anthropologists 33 epidemiology 33 anthropological 32 epidemiologist 32 grasslands 32 Prehistoric 32 molecular biologist 32 descendants 32 palaeontologist 32 researcher 32 ecologist 32 glaciologist 32 doctoral student 32 refuges 31 conservation biologist 31 forensic anthropologist 31 inhabiting 31 Lead researcher 31 Ph.D. 31 Anthropology 31 doctoral candidate 30 exist 30 prehistory 30 signers 30 landforms 30 postdoctoral associate 30 paleontology 30 colonies 30 atmospheric scientist 30 geographer 30 inhabited 30 colonization 30 coexisting 30 geochemist 30 planetary scientist 30 archaeologist 30 demographer 29 biosphere 29 ornithologist 29 ethnography 29 Anthropologists 29 doctoral researcher 29 psychology professor 29 archeologist 29 folklorist 29 ancestral 28 domesticated 28 Archaeological 28 ethnographic 28 herpetologist 28 curator 28 Archaeologist 28 Archaeology 28 sociologist 28 PhD 28 colonize 28 habitats 28 sociology professor 28 neurobiologist 28 poorly understood 27 entomologist 27 Biologist 27 doctoral 27 biochemist 27 inhabit 27 cartographer 27 existences 27 astronomer 27 inhabitants 27 evolutionary biology 27 extinct 27 carbon dioxide methane