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) Kon-Tiki (2012 film) Kon-Tiki is a 2012 historical drama film directed by Joachim Rønning and Espen Sandberg about the 1947 Kon-Tiki expedition. The film was mainly shot on the island of Malta. The role of Thor Heyerdahl is played by Pål Sverre Hagen. The film is an international co-production between Norway, Denmark, Germany, Sweden, and the United Kingdom. It was the highest-grossing film of 2012 in Norway and the country's most expensive production to date. The film was nominated for the Academy Award for Best Foreign Language Film at the 85th Academy Awards. It is Norway's fifth Academy Award nomination.