Migration mystery solved.

r1335332_18597263Winds favoured Polynesian migration.
Polynesians were able to sail downwind to Easter Island and New Zealand centuries ago, a new analysis of past climate has found.

There were narrow windows of time between 1140 and 1260 AD where the winds allowed this, say researchers in this week’s Proceedings of the National Academy of Sciences.

“It’s really incredible to think that for a 120-year period the Polynesians took advantage of these windows of opportunities and they crossed almost a third of the surface of the Earth,” says co-author Associate Professor Ian Goodwin of Macquarie University. More . .


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