Chapter
The Evolutionary Development of Brains and Intelligence
1:56:32 - 2:05:43 (09:11)
The process of getting a bigger brain began with Homo erectus and continued with the evolution of the genus Homo, until the brain size got smaller at the end. In addition, there is no evidence of a loss of cognitive ability with domesticated animals with smaller brains.
Clips
The evolution of the Homo genus shows a gradual increase in brain size due to the benefits of cooking, which supplies more calories while reducing the amount of time and energy needed for chewing and digesting food.
1:56:32 - 2:01:41 (05:08)
Evolution
Summary
The evolution of the Homo genus shows a gradual increase in brain size due to the benefits of cooking, which supplies more calories while reducing the amount of time and energy needed for chewing and digesting food.
ChapterThe Evolutionary Development of Brains and Intelligence
Episode#229 – Richard Wrangham: Role of Violence, Sex, and Fire in Human Evolution
PodcastLex Fridman Podcast
Despite domesticated animals having smaller brains compared to their wild ancestors, there is no evidence of a loss of cognitive ability.
2:01:41 - 2:05:43 (04:02)
Domesticated animals
Summary
Despite domesticated animals having smaller brains compared to their wild ancestors, there is no evidence of a loss of cognitive ability. This is due to their brains looking more like the younger, juvenile ancestor.