Crazy Creatures on MSN

Watch what happens when a chimpanzee uses tools and strategy to outsmart its rival

Animal intelligence is not just about problem-solving—it directly shapes how species hunt, fight, and survive under constant ...
National Academies of Sciences%2c Engineering%2c and Medicine

Biographical Memoirs: Volume 81

WOLFGANG KÖHLER, distinguished psychologist and cofounder of Gestalt psychology, made many important contributions to science. Although he is probably best known for his empirical studies of ...