How not to be ignorant about the world | Hans and Ola Rosling
TED · 5 则 HN 推荐
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Hans Rosling and his son Ola run an audience quiz with global population, health and income data to show how wrong most people are about the world. Ola then gives four ways to get less ignorant.
HN 推荐的原因： Recommended as evidence that the world is improving despite negative news, and for how people misjudge global trends.
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