[Future of intelligence: natural brain, artificial brain].

Artificial intelligence (AI) has advanced significantly in recent decades, impacting sectors such as medicine, education, and entertainment. In contrast, natural intelligence (NI) is the result of over a billion years of evolution, culminating in the Homo sapiens brain approximately one hundred thousand years ago. This development has enabled the creation of a culture of accumulated knowledge, facilitating technological and scientific advancements. The combination of AI and NI holds the promise of overcoming cognitive limitations and addressing complex problems, provided it is managed ethically. Key areas of this integration include cognitive augmentation, health, education, resolution of global challenges, redefinition of NI boundaries, and subsequent ethical challenges. While both NI and AI share learning and adaptation capabilities, human intelligence is distinguished by consciousness, emotion, and creativity, facets that AI has yet to fully replicate. The future of this interaction will depend on proper management that allows for the coexistence and mutual benefit of humans and machines.