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The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language.The timeline of human evolution spans approximately seven million years, [1] from the separation of the genus Pan until the emergence of behavioral modernity by 50,000 years ago.
Human intelligence is the intellectual capability of humans, ... He began the study by taking children of different ages and placing two lines of sweets, one with the ...
[47] [48] Brain expansion (enlargement) between 0.8 and 0.2 Ma may have occurred due to the extinction of most African megafauna (which made humans feed from smaller prey and plants, which required greater intelligence due to greater speed of the former and uncertainty about whether the latter were poisonous or not), extreme climate variability ...
Already in the 4th century BC, Aristotle thought that the heart was the seat of intelligence, while the brain was a cooling mechanism for the blood. He reasoned that humans are more rational than the beasts because, among other reasons, they have a larger brain to cool their hot-bloodedness. [3]
Human history or world history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers . They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
Human intelligence is the intellectual power of humans, which is marked by complex cognitive feats and high levels of motivation and self-awareness. [ 23 ] [ 24 ] Intelligence enables humans to remember descriptions of things and use those descriptions in future behaviors.
Called the Anthropocene — and derived from the Greek terms for “human” and “new” — this epoch started sometime between 1950 and 1954, according to the scientists.
The history of human thought covers the history of philosophy, history of science and history of political thought and spans across the history of humanity. The academic discipline studying it is called intellectual history .