What if the battlefield isn’t just out there, but also inside our heads? In the new book Warhead: How the Brain Shapes War and War Shapes the Brain, neuroscientist Nicholas Wright draws on his experience advising the Pentagon and the British government to reveal how our brains are built for survival and strategy, in the office and on the battlefield. He shows that the same neural machinery that helps us cooperate, compete, and make moral choices also determines whether we wage war or choose peace. Then, in the second half of the show, we hear some key insights from the 2022 book The New Fire.

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