In the future, it’s likely that many aspects of human society will be controlled — either partly or wholly — by artificial intelligence. AI computer agents could manage systems from the quotidian (e.g. traffic lights) to the complex (e.g. a nation’s whole economy), but leaving aside the problem of whether or not they can do their jobs well, there is another challenge: will these agents be able to play nice with one another? What happens if one AI’s aims conflict with another’s? Will they fight, or work together?

Google’s AI subsidiary DeepMind has been exploring this problem in a new study published today. The company’s researchers decided to test how AI agents interacted with one another in a series of “social dilemmas.” This is a…

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