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The Essay

It Talks

Episode 3: Standards

Duration: 15 minutes

First broadcast: on BBC Radio 3Latest broadcast: on BBC Radio 3

Available for over a year

Exploring how in 2,250 BC Cappadocia became the first state to guarantee the weight and purity of its silver ingots, creating the idea of international and cross-boundary standards. Show more

The Essay

It Talks

Episode 5: Paper Money

Duration: 15 minutes

First broadcast: on BBC Radio 3Latest broadcast: on BBC Radio 3

Available for over a year

Helen Wang discusses the development of paper money and explores how civilisation finally accepted something with no intrinsic worth having great value. Show more