Feather helmet worn by Hawaiian chief. Neil MacGregor, Director of the British Museum, examines a chieftain's helmet given to Captain James Cook after he landed in Hawaii in 1778. He looks at the impact of Cook's mapping and collecting expeditions in the Pacific. With contributions from the anthropologist Nicholas Thomas and the Hawaiian academics Marques Hanalei Marzan, Kyle Nakanelua and Kaholokula. (Duration: 14 mins)