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Strokes, Teachers, Confused Computers 15 May15

Are stroke numbers on the rise? This was according to recent headlines. We spoke to Tony Rudd, National Clinical Director for Stroke NHS England. Plus: teachers leaving their jobs; computers being confused by big numbers; and how the UK Election would have been changed by alternate polling methods.

24 minutes

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    Tim Harford explains the numbers and statistics in the news and in life.