How Humanity Is Threatened by Humans Themselves

How Humanity Is Threatened by Humans Themselves
What lies ahead for the human species? Yuval Harari, author of "Homo Deus: A Brief History of Tomorrow," explores potential threats to the human race, as well as the possibility of immortality. In a follow-up to his best-seller, "Sapiens," he and WSJ's Tanya Rivero also discuss the questions posed by the rise of artificial intelligence. Photo: Getty
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