March 25th, 2015
Episode 196 of 646 episodes
Iron and manganese are the two key ingredients that enabled the mass production of steel - one of the most versatile and complex materials known to humanity. Justin Rowlatt chews on salad leaves with Andrea Sella of University College London, who explains how manganese is present in all plants and plays a key part in photosynthesis and ultimately oxygen production. He also travels to Sheffield to visit a modern steelworks - the specialist engineering steel-maker Forgemasters - where Peter Birtles and Mark Tomlinson give a taste of just how hard it is to produce unbreakable parts for nuclear power stations and oil rigs.
Have you trembled ‘round the campfire as the ghost stories are told? Do tales of horrors wrought by nature and beyond strike fear in your soul? Is it best when you are afraid to turn out the light? Thrill to stories that strike at your deepest fears, as host Stephen Kilpatrick brings the best of horror fiction to your ears and your mind, read to you by the most chilling narrators that podcasting has to offer. <br /> <br /> Podcasting the finest in genre fiction, Tales to Terrify is where the depths of horror reveal the truths of good, evil, and the human spirit in the District of Wonders podcast network. Like all shows in the District of Wonders, Tales to Terrify is supported by a welcoming community of dedicated fans and contributors. Subscribe today, and begin your journey through the spine-tingling depths of storytelling.<br /> <br /> Everyone has a story in the District of Wonders. Come and find yours.