8. In the 1950s and 1960s, the Nobel Laureate Carleton Gajdusek studied a disease called kuru which spread among the Fore people in New Guinea through cannibalistic rituals. Kuru means shivering or trembling in the Fore language. The picture, taken by Gajdusek in 1957, shows an 8-year old girl in an advanced stage of kuru.