Artificial intelligence has attained an impressive series of feats—solving problems from the International Math Olympiad, conducting encyclopedic surveys of academic literature, and even finding ...

Dynamic environments influence the evolution of cooperative behavior, yet existing analyses often overlook population heterogeneity observed in realistic populations in nature. This study provides an ...

When people talk about huge casino wins, the stories rarely stay accurate for long. Numbers grow, details blur, and someone always knows “a friend” who won even more. Very few of those stories hold up ...