The evolution of human intelligence

The nature and origins of hominid intelligence is a much-studied and much-debated topic, of natural interest to humans as the most successful and intelligent hominid species. There is no universally accepted definition of intelligence, one definition is "the ability to reason, plan, solve problems, think abstractly, comprehend ideas and language, and learn." The evolution of hominid intelligence can be traced over its course for the past 10 million years, and attributed to specific environmental challenges. [Read more] ...