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Last month Â鶹Éç World Service launched a new series, each episode looking at a different inventions, ideas and innovations which have helped create the economic world we live in, called 50 Things That Made The Modern Economy. Six ‘things’ in, presenter Tim Harford tells us how it’s going and answers questions from listener, Peter Nou from Sweden.

Also, a few weeks ago The Why Factor decided to tackle The Female Orgasm with rousing response from listeners. We hear from the few who were brave enough to come on air to tell us what they think.