Épisodes

  • Plastics - Part 2

    Plastics - Part 2
    Nov 19 2025
    Plastics are everywhere – but can they ever be truly sustainable? In this episode, host Joe Hanson asks how plastics fit into a circular economy – a system designed to minimize waste and maximize resource efficiency. From the familiar mantra of reduce, reuse, recycle to innovative strategies that go far beyond recycling, this conversation dives into what it takes to create a sustainable future for plastics and how waste can become a resource.
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    27 min
  • Plastics - Part 1

    Plastics - Part 1
    Oct 22 2025
    Plastic is one of the most transformative materials of the modern age. It’s in our cars, our homes, and our clothes. Lightweight, durable, and endlessly moldable, plastic has revolutionized manufacturing and design across nearly every industry. But this material comes with a serious downside: it’s incredibly difficult to dispose of in the right way.
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    21 min
  • Hydrogen

    Hydrogen
    Sep 24 2025
    Researchers and companies around the globe are racing to tap into an invisible resource seen as a beacon of hope for achieving climate neutrality—hydrogen. Could the key to a green transformation lie beneath our very feet?
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    46 min
  • Trailer

    Trailer
    Sep 17 2025
    SUBSTANCE is a monthly podcast exploring the materials that shape our world. From hydrogen and plastic to fabric and fungi, each episode unpacks one essential substance — revealing its influence on our world and the surprising innovations that could redefine its role in our lives. In conversations with leading scientists and industry experts, host Joe Hanson offers fresh perspectives on how chemistry and innovation can help us tackle some of the world’s toughest challenges. Whether you’re a curious mind, a science enthusiast, or someone who simply wonders about the “stuff” all around us, SUBSTANCE tells the stories that matter — one material at a time.
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    2 min