Altruistic behavior is often seen as an exclusively human characteristic. However, behavioral research has uncovered numerous examples of altruistic behavior in the animal kingdom. In a new study, ...

In a new study, researchers have found that mice can instinctively exhibit rescue-like behavior toward anesthetized conspecifics—without any prior training or external rewards. The study, published in ...

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In the proximate sense, this behavior of the ant is altruistic inasmuch that the ant is suffering a cost—death—to deliver a benefit to the parasite. However, the ant possesses no cognitive mechanisms ...