Polynesia of the plant in the Cook Islands have been radiocarbon-dated to 1000, and current thinking is that it was brought to central Polynesia c. 700 and spread across Polynesia from there, possibly by Polynesians who had traveled to South America and back. Thor Heyerdahl proposed in the mid-20th century that the Polynesians had migrated from the northwest coast of Canada by large whale-hunting dugouts, and from South America on balsa-log boats. Many anthropologists have criticised Heyerdahl's theory, including Wade Davis in his book "The Wayfinders". Davis says that Heyerdahl "ignored the overwhelming body of linguistic, ethnographic, and ethnobotanical evidence, augmented
Kon-Tiki (2012 film) 40th Norwegian International Film Festival in Haugesund. A North American screening took place at the Toronto International Film Festival. The Weinstein Company acquired the distribution rights for North America and Italy in November 2012. "Kon-Tiki" opened in Norway on 24 August 2012, setting a weekend national box office record. It became the highest-grossing of 2012 in Norway, earning $14,111,514, and overtaking the film "", also by directors Rønning and Sandberg. "Kon-Tiki" opened in the United States on 26 April 2013 in a limited release, and was screened in three cinemas. On 3 May 2013, the film expanded to screen in