For the last 100,000 years, humans have accumulated enormous power. But despite all our discoveries, inventions and conquests, we now find ourselves in an existential crisis. The world is on the verge of ecological collapse. Misinformation abounds. And we are rushing headlong into the age of AI – a new information network that threatens to annihilate us. If we are so wise, why are we so self-destructive? ‘Nexus’ considers how the flow of information has shaped us, and our world. Taking us from the Stone Age through the Bible, early modern witch-hunts, Stalinism, Nazism and the resurgence of populism today, Yuval Noah Harari asks us to consider the complex relationship between information and truth, bureaucracy and mythology, wisdom and power. He explores how different societies and political systems have wielded information to achieve their goals, for good and ill.