Outdated chimpanzee questions

Outdated chimpanzee questions. In the 1990s, students at Karolinska Institutet did not know that many European countries had worse health outcomes than many Asian countries. These are the results I show in my first TED talk: Rosling (2006). Thirteen years later, when we wanted to check whether people’s knowledge had improved, we could not use the original questions, because these European countries had caught up, as shown in the animated chart here:


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