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Podcast: More or Less
Episode: Birds, Mozart, austerity, Thatcher
Description: Birds + windows =? The BBC Quiz show The Unbelievable Truth reckons that more than 2 million birds die crashing into window panes every day in the US. Tim Harford finds this, well, unbelievable. Marcus du Sautoy explores the maths in Mozart's The Magic Flute; a student who uncovered a mistake in a famous economic paper, which has been used to make the case for austerity cuts, explains how he did it; and separating fact from fiction about Margaret Thatcher with a look at the numbers of her time in office.