Attention skills in a nonhuman cooperative breeding species

Cooperative breeding may facilitate the development of sophisticated communicative abilities such as intentionality and joint attention skills. Two new studies of researchers of the Max Planck Institute for Ornithology in ...

Ideal marriage partners drive Waorani warriors to war

Why do people go to war when the consequences of warfare are so dramatic? Scholars have suggested that the motivations for participating in war either lie in the individual rewards warriors receive (to the victor goes the ...

Chimpanzees sniff out strangers and family members

Chemical communication is widely used in the animal kingdom to convey social information. For example, animals use olfactory cues to recognize group or family members, or to choose genetically suitable mates. In contrast ...

How living systems compute solutions to problems

How do decisions get made in the natural world? One possibility is that the individuals or components in biological systems collectively compute solutions to challenges they face in their environments. Consider that fish ...

Cooperation driven by reciprocity, not conformity

From an evolutionary perspective, cooperating with others can yield benefits that increase chances of survival. But what are the conditions that motivate us to cooperate? New research suggests that reciprocity - cooperation ...

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