Unlocking the Complexities of the Brain: The Milestone of Mapping a Fruit Fly's Brain

Our correspondent sits down with Keir Starmer on the sidelines of a conference dedicated to drawing much-needed investment. We examine the prime minister’s pitch to investors. All the connections within the fruit fly’s brain have now been mapped out; we ask what that means for the human kind (11:44). And the chatbots that are surprisingly successful at dissuading conspiracy theorists (17:46).

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