Science

SUBSTANCE

by BASF

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Latest episodes

Light

October 14, 2026 · 29 min

Light is all around us – from fireflies glowing in the garden to the screens in our pockets. In this illuminating episode of SUBSTANCE, host Joe Hanson explores how scientists are developing more sustainable ways to produce light and…
Enzymes

September 16, 2026 · 38 min

Enzymes are among nature’s most powerful catalysts and are helping scientists and industry tackle some of the world’s biggest sustainability challenges. In this episode of SUBSTANCE, host Joe Hanson explores how enzymes are improving…
Clay

July 15, 2026 · 36 min

Clay is one of the oldest materials humans have ever used, from early pottery to the walls of homes. In this episode, host Joe Hanson explores how this ancient material can inspire new solutions for an increasingly warming world.
Sulfur

June 17, 2026 · 27 min

Sulfur might evoke matches, volcanic gases, or that yellow rock from chemistry class – but it’s far more powerful than you probably think. In this episode of Substance, host Joe Hanson explores the surprising story of an element that has…
Fiber

May 20, 2026 · 28 min

In this episode of SUBSTANCE, host Joe Hanson explores the unique capabilities of fibers like hemp or coconut and where they can be used sustainably: From the automotive industry to coastal protection.

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Salt

April 15, 2026 · 31 min

Salt may be one of the most familiar substances in everyday life, but in this episode of SUBSTANCE, host Joe Hanson explores how a special class of salts could help decarbonize one of the most overlooked parts of the energy system: heat…
CO2

March 18, 2026 · 27 min

CO₂ is one of the gases most closely linked to global warming, but it is also deeply embedded in how modern industry and cities function. In this episode of SUBSTANCE, host Joe Hanson explores what it will take to reduce emissions in two…
Fabric

February 18, 2026 · 35 min

Fabrics and fashion are deeply tied to sustainability – not least because the scale of production and consumption means huge volumes end up as waste or pollution. This episode of SUBSTANCE asks what it would take to “close the loop” and…
Water

January 21, 2026 · 32 min

In this episode, our host Joe Hanson discusses a SUBSTANCE that is literally vital: water. Former NASA expert, now entrepreneur Diana Yousef and BASF scientist Ligia Azevedo make it clear in their stories, that the economical use of clean…
Fungi

December 17, 2025 · 35 min

In this episode of SUBSTANCE, host Joe Hanson explores the surprising power of fungi with artist-turned-entrepreneur Phil Ross and BASF scientist Dr. Birgit Hoff. Far from being just mold or mushrooms, fungi are nature’s recyclers and bio…
Plastics - Part 2

November 19, 2025 · 27 min

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…
Plastics - Part 1

October 22, 2025 · 21 min

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…

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About the show

SUBSTANCE is a podcast about the discoveries and innovations in chemistry and beyond helping us to develop sustainable solutions. Host Joe Hanson exchanges ideas with international guests and presents visionary projects and exciting innovations.