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) roar, which can be heard from nine miles away, is taken directly from Poe's story. Although Heyerdahl did refer to "treacherous eddies" near the Galapagos, his chief worry there was that "strong ocean currents" could sweep the raft back towards Central America. The portrayal of the raft's second-in-command, Herman Watzinger, proved controversial in Norway. Colleagues and relatives say Watzinger in the film is unlike the real-life Watzinger, physically or in his actions. Actor Baasmo Christiansen acknowledged the physical differences with a smile. "Watzinger was tall, dark, and Norwegian Youth Champion in the 100 meter. He was everything I'm not." In