Jane Goodall’s research at Gombe Stream National Park revolutionized our understanding of chimpanzee intelligence. In 1960, she observed a chimp named David Greybeard stripping leaves from twigs to ...

Humans are regarded as the most intellectually developed, in short intelligent species born on Earth. But do you know, who is ...

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 ...