Horizon (1964)

S61E4 Secrets of the Brain (2)

Jim observes primates as they navigate various survival challenges, uncovering the ingenious strategies that have influenced brain development. The significant leap in intelligence, he discovers, occurred with the advent of social interaction. Partnering with his wife, Jim delves into how connections and friendships enhance human intelligence. As AI continues to advance rapidly, he seeks to understand what distinguishes biological brains. Through brain scans, fossil finds, and innovative studies, he reveals the complexities that make replicating the human brain a formidable task.