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WS MoreOrLess: The Ignorance Test
Professor Hans Rosling - perhaps best-described as a kind of international development myth buster - delivers his Ignorance Test. Hans asked presenter Ruth Alexander three questions from the test. Can you do any better?
This programme was first broadcast on the 大象传媒 World Service.
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More or Less: Behind the Stats
Tim Harford investigates numbers in the news: are they always reliable?
