JOSE YONG: Humans are an interesting mixture of altruism and competition. We work together well at times and at others we will fight to get our own way. To try to explain these conflicting tendencies, researchers have turned to the chimpanzees and the bonobos for insight. Among the great apes, the chimpanzees and the bonobos … Continue reading Bonobos and Chimps: What our closest relatives tell us about humans