(A longer discussion of animal communication is found in my book.) Human language seems so much more complicated and organized than anything experienced by animals. Nevertheless, animals do indeed communicate complex ideas using precise, intentional communication. Some primate species even have discrete audible words with unambiguous meanings. In other words, they have their own spoken languages and … More Other Primates Use Speech and Vocabulary
Summary Considering the current and past cultural functions of art can reveal how it may have evolved in humans. Art uses a visual stimulus to evoke an emotional state, and/or to promote recall of past events or past emotional states. The use of art would have had clear benefits in early humans for communication, education, cooperation, … More How did art evolve in humans?
Summary The shape and structure of the human face varies much more among individuals than do the faces of other species, even compared to species that have far more genetic diversity. The shapes of human faces vary more in the population than does any other physical feature. This high degree of facial diversity, which cuts … More The Stunning Diversity of Human Faces