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A ground breaking colon cancer experiment that swapped the burgers-and-fries diet of African Americans with the traditional fare of rural South Africans was sparked by a chance encounter.
Links formed by mainland China's large scientific diaspora and its increasing output of high-quality research make it an emerging centre of international collaboration.
Strong connections with global scientific heavy-hitters and meaningful regional and domestic collaborations have thrust Saudi Arabia into a leading position in the Arab world.