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Record high gold prices have us looking at the science of inflation, why gold is leaking from volcanoes, and entomologist Katy Price explains why shiny gold can be a good color for camoflague.
Plus the dark science going on in a gold mine, whether we can move at the speed of light, and the debate around golden rice. All that, plus more unexpected elements.
Presenter: Marnie Chesterton
Producers: Alice Lipscombe-Southwell, with Margaret Sessa-Hawkins, Robbie Wojciechowski and Lucy Davies.