The surprising political power of salt through history and the role it has in saving not just dinner, but lives.
Written by Ed Conway Show more
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A single grain of sand starts the epic journey through the six materials we rely upon to build our world.
Written by Ed Conway
Read by John Hollingworth Show more
Material World by Ed Conway
Oil and Gas
14 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 FM
Available for years
The history-altering discovery of crude oil and the unlikely link between our use of fossil fuels and building a greener future.
Written by Ed Conway Show more
Material World by Ed Conway
Iron and Copper
14 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 LW
Available for years
In a paradox of the Material World, the increasing amounts of iron and copper needed to build a sustainable future may be limited by present environmental concerns. Show more
Material World by Ed Conway
Lithium
14 minutes
First broadcast: on BBC Radio 4 FMLatest broadcast: on BBC Radio 4 FM
Available for years
The future of our world may be held in the eerie salt pools of the Chilean desert and the lithium they contain.
Written by Ed Conway
Read by John Hollingworth Show more