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Data visionary Hans Rosling has given nine TEDTalks over the years, focusing on global trends in health, economics and population growth. His favorite talks, naturally, keep an eye toward these global themes -- from business in Africa to youth culture in China.
Ngozi Okonjo-Iweala: Want to help Africa? Do business here
Nandan Nilekani's ideas for India's future
Yang Lan: The generation that's remaking China
Melinda Gates: Let's put birth control back on the agenda
Dalia Mogahed: The attitudes that sparked Arab Spring