Related by context. Frequent words. (Click for all words.) 61 Wrangham 57 Frans de Waal 55 Sociobiology 54 Pruetz 52 Chimpanzees 52 Jane Goodall 51 Steven Pinker 51 chimpanzees 50 paleobiologist 50 evolutionary biologists 50 biological anthropology 50 primatologists 50 evolutionary biologist 50 primatologist 49 Comparative Zoology 49 evolutionary psychologists 49 Indohyus 49 Chimpanzee 48 contagious yawning 48 anthropologist 48 sociobiology 48 paleoanthropologist 48 Martha Nussbaum 48 Simon Baron Cohen 48 primatologist Jane Goodall 48 humans 48 Evolutionary biologists 47 Anthropologist 47 evolutionary psychologist 47 spotted hyenas 47 microbial ecology 46 bonobos 46 palaeontologist 46 gut microbes 46 BF Skinner 46 Louis Menand 46 anthropologists 46 biological anthropologist 46 insects spiders 46 nonhuman primates 46 Poinar 46 Zoologist 46 Nobelist 46 Anthropologists 45 Octopuses 45 Homo sapiens 45 Alemseged 45 Paleontologist 45 Brandon Keim 45 Michael Shermer 45 megafauna 45 apes 45 carnivorous dinosaurs 45 olfaction 45 anthropoids 45 Bushmeat 44 monkeys apes 44 Humans 44 evolutionary origins 44 paleoanthropology 44 vom Saal 44 Stanley Coren 44 reseachers 44 zoologists 44 Salamanders 44 neurobiologists 44 lowland gorillas 44 capuchin monkeys 44 Daniel Dennett 44 zoologist 44 omnivore 44 Animal Behaviour 44 carnivores 44 Ardipithecus ramidus 44 Brusatte 44 mosasaurs 44 Evolutionary Psychology 44 hunter gatherer societies 44 Roger Highfield 44 Biogeography 44 hominid 44 Richard Leakey 43 horned dinosaurs 43 hominid species 43 Richard Feynman 43 Svante Paabo 43 coevolution 43 chimps 43 Mongabay 43 comparative genomics 43 bonobo 43 Dian Fossey 43 Louis Leakey 43 civets 43 Animal Behavior 43 slime molds 43 Felisa Wolfe Simon 43 Geneticists 43 H. sapiens 43 saber toothed tigers 43 primates