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Humans have valued bees for their honey for thousands of years – and economists have long admired bees for their cooperative work ethic, too. But few of us, whether economists, honey-lovers, or both, have quite appreciated just how much the honey bee has been industrialised – and the simple yet radical invention that made that industrialisation possible. As Tim Harford explains, it's a sign of just how far the modern market economy has penetrated that it now reaches deep into the heart of the beehive.

Producer: Ben Crighton
Editor: Richard Vadon