Read the full transcript here. What interesting things can we learn by studying pre-humans? How many different species of pre-humans were there? Why is there only a single species of human now? If pre-human species wiped each other out for various reasons, why might the ancestors of chimps and bonobos (who are very closely related to humans) have been spared? What roles did language, racism / speciesism, and disease likely play in the shaping of the human evolutionary tree? How is AI developm...