Groups would then set off to start new settlements. By 1000 AD they had reached South America, and returned.
Using small islands as stepping-stones, explorers finally discovered New Zealand.
The latest sensation has been the sighting of the former President taking a picture of wife Michelle Obama on deck of a boat on holiday.
He was possibly on a tablet, judging by the size of the device he was holding.
Barack Obama may be out of the White House but wherever he goes, the world is watching and reacting with delight.
If he walks out of Starbucks in New York City and smiles, people swoon.
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The 15 archipelagos of East Polynesia, including New Zealand, Hawaii, and Rapa Nui, were the last habitable places on earth colonized by prehistoric humans.
Skilled navigators in double-hulled canoes gradually discovered remote islands to the east, using their knowledge of the stars and the winds to return home safely.
The boat in question is a 454-foot yacht, belonging to billionaire David Geffen.
Fellow passengers included Tom Hanks, Rita Wilson, Bruce Springsteen and Patti Scialfa.
The world’s first seafarers set off from South-East Asia, sailing into the Pacific on simple rafts.
Thousands of years later their Polynesian descendants began exploring further east, guided by the stars and the winds.