Tim Harford explains the numbers and statistics in the news and in life.
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Revelations from the world of counting from the voice of the Count, the late Jerry Nelson
Aerodynamics expert Bert Blocken explains the numbers behind 'slipstreaming'
Clues dropped by JK Rowling, the books and 'amenity ratios' help with the calculation
What presents to get for loved ones with a passion for numbers
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