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Misha Glenny and guests discuss the biology, physics, and chemistry of one of the most abundant elements in the Earth's crust, and its impact on our atmosphere and technology

50 minutes

Last on

Thu 23 Jul 202600:06
BBC World Service

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  • Sat 18 Jul 202612:06
    BBC World Service except East and Southern Africa & West and Central Africa
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  • In Our Time

    Misha Glenny and guests discuss the ideas, people and events that have shaped our world.