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The article discusses human behaviour associated with evil, radicalisation and atrocities. An overview of the neuroscience of evil behaviour, including in regard to the neural activation of the brain's prefrontal cortex (PFC), is provided.

The article discusses why people tend to see outsiders as less human than themselves. Topics include examples of dehumanisation as a precursor to acts of violence, research that suggests some people are more prone to dehumanising behaviour than others, the role of social groups in dehumanisation, and a social psychology study by Jay Van Bavel and colleagues at New York University that suggests group memberships play a role in shaping the perception of others' mental states.

The article discusses the development of an artificial intelligence (AI) by research firm DeepMind owned by American technology company Google Inc., It states that the AI plays a significant role for psychological assessment in children at the age of four. Also mentioned is the impact of AI for mind test in human's thinking about desires, beliefs or intentions.

The article discusses research conducted by the University of South Carolina which indicates that Twitter social media accounts run by human beings are more responsible for spreading falsehoods about mass shootings in Parkland, Florida and other locations than accounts operated by computer bots.

The article focuses on chimpanzee aggression, particularly among males that attempt to disrupt the community hierarchy, and discusses how chimpanzee aggression can help humans better understand human aggression, social ties, and hierarchies.

The article focuses on the social fragmentation that occurred among the chimpanzee population at the Gombe Stream National Park in Tanzania. Topics include what chimpanzee's can teach humans about societal interaction, social ties in chimpanzee populations, and researcher Joseph Feldblum's examination of chimpanzee expert Jane Goodall's notes on chimpanzee society.

The author reflects on the implications of the study which shows that human behaviors are affected by friends and relatives, and behaviors, illnesses, and moods can be transmitted through friendship networks. The author suggests that the government should focus on health campaigns rather than individual behavior to improve public health. The author also points out the advantage of identifying the social aspect and limitations of human behavior.