Related by context. Frequent words. (Click for all words.) 68 anthropologists 61 Scientists 61 Archaeologists 60 Historians 59 Archeologists 57 Biologists 56 Researchers 56 Geologists 55 Sociologists 54 Astronomers 54 archaeologists 52 paleontologists 51 archeologists 51 Physicists 51 historians 50 sociologists 49 ecologists 49 prehistory 48 Seismologists 47 Neanderthals 47 Experts 47 prehistoric 47 hunter gatherers 47 geneticists 47 anthropological 47 scientists 47 botanists 47 anthropologist 47 anthropology 46 researchers 46 hominids 46 ancients 46 pre Columbian 45 Psychologists 44 Fossils 44 Neolithic 44 biologists 44 Homo sapiens 44 archeology 44 theorists 44 fossils 44 geologists 43 Detectives 43 Investigators 43 astronomers 43 Conservationists 43 naturalists 42 Mayans 42 philosophers 42 Neanderthal 41 Anthropology 41 neuroscientists 41 ancient Greeks 41 pagans 41 scholars 41 Academics 41 ancient civilizations 41 Skeptics 41 Officials [002] 41 apes 40 epidemiologists 40 fossil 40 mammoths 40 Veterinarians 40 demographers 40 Authorities 40 skeletal remains 40 Economists 40 Activists 40 dinosaurs 40 entomologists 39 linguists 39 Environmentalists 39 antiquity 39 Homo 39 Observers 39 ancestors 39 Archaeology 39 mummies 39 Ardi 39 skulls 39 ancient 39 Prehistoric 39 ancient Egyptians 39 Pundits 39 paleontology 39 Librarians 39 theologians 38 millennia 38 Forensic experts 38 Bronze Age 38 climatologists 38 Pollsters 38 astrophysicists 38 Cynics 38 Archaeological 38 Meteorologists 38 physicists 38 Doctors 38 Previous studies 38 origins