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Why people help distant kin

A new study suggests that socially enforced nepotism, a concept that expands the classic theory of kin selection, may explain why people are altruistic towards distant kin. The simulations show that helping distant relatives can increase one's reputation and lead to more help from others, improving social rules and enforcing them.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Communal living of the insect kind

A new model explains the emergence of complex insect societies by positing that workers' selfish interests drive colony formation. This hypothesis suggests that at the early stages of social evolution, workers and queens act primarily in their own self-interest, rather than altruistically helping relatives.

Robots learn to share, validating Hamilton's rule

Scientists used simple robots to test how altruism evolves over generations. The results matched Hamilton's rule, suggesting that helping relatives increases their chances of passing on genes. This study has implications for swarm robotics and the evolution of cooperation in nature.