What happens when humans are no longer the smartest species on the planet? ... Lucid and engaging

FRANK ROSE, WALL STREET JOURNAL

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Cover photographsC Hou/Getty Images

Cover design: Richard Green

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'A compelling guide to the challenges and choices in our quest for a great future of life, intelligence and consciousness - on Earth and beyond'

ELON MUSK

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'This is the most important conversation of our time, and Tegmark's thought-provoking book will help you join it'

STEPHEN HAWKING

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'This is a rich and visionary book and everyone should read it'

OLIVER MOODY, THE TIMES

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'For sheer science fun, it's hard to beat'

STUART RUSSELL, NATURE