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 ...

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 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 ...