Polynesians

The mystery of Rapa Nui’s moai may be solved

Boris Johnson claims that in his first year at Oxford he attended just one lecture. Delivered in the crepuscular gloom of the Pitt Rivers Museum, it was about Rapa Nui, the tiny Pacific island 2,200 miles from mainland Chile. As a boy, Johnson had read the Norwegian adventurer Thor Heyerdahl’s Aku-Aku: The Secret of Easter Island and had become obsessed. No wonder. For although Rapa Nui – or Easter Island – is only half the size of the Isle of Wight, it has a haunting history teeming with questions. Who first discovered this speck in the Pacific? How did they get there? How did they manage to settle in this

Are all great civilisations doomed?

To quote Private Frazer in Dad’s Army, ‘We’re doomed, doomed!’ That seems to be the message of Paul Cooper’s eminently readable series of essays about how and why 14 civilisations rose to greatness and then collapsed. He begins with the Sumerians in the fourth millennium BC, at the northern tip of the Persian Gulf, and he finishes with Easter Island in the 18th century. He then concludes with dark prophecies about how a few centuries from now an overheated planet will look in a simpler post-industrial age. The style is informal, based on a series of popular podcasts, and one can almost hear the spoken word as one reads. Yet