How chemistry underpins every area of our lives
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In this episode of Instant Genius, host Jason Goodger welcomes Professor Dame Ijeoma Uchebu, Professor of Pharmaceutical Neuroscience at University College London and President of Wolfson College Cambridge, to discuss her book 'Chain Reaction: The Wondrous Chemistry of Everyday Life.' The conversation reveals how chemistry is not just a subject confined to labs, but the very foundation of everything we experience—our bodies, clothing, buildings, medicines, and even the planet itself. From the water that makes up most of our bodies to the polymers in polyester and plastics, from enzymes breaking down food to the chemical bonds in concrete and wood, chemistry is the invisible force shaping our lives. The episode also confronts the environmental challenges posed by non-biodegradable plastics and microplastics, while offering hope through emerging solutions like enzyme-degrading bacteria and biodegradable alternatives. Ultimately, the message is clear: understanding the chemistry around us transforms how we see the world and ourselves.
Our bodies are essentially walking chemical factories, with trillions of reactions occurring every second.
Water is not just a drink—it's a vital, pervasive medium in blood, cells, and bodily fluids, enabling life-sustaining processes.
Proteins, made from amino acids, are the workhorses of life, acting as enzymes to accelerate essential chemical reactions.
Clothing and materials like polyester, cotton, and wool are all polymers—long chains of molecules created through chemical processes.
Plastics, while revolutionary and indispensable, pose serious environmental challenges due to their resistance to degradation.
…and 3 more takeaways available in PodZeus
Chemistry: The Invisible Force Behind Everything
“Chemistry is everywhere and everything's chemistry.”
The Human Body as a Chemical Factory
“Trillions of reactions are taking place all the time. As you and I are speaking... Oh my God, we've been flushed through with many, many chemical reactions.”
Water: The Life-Sustaining Molecule
The episode explores the critical role of water in the body—its presence in blood, cells, tissues, and organs—and how it enables oxygen transport, digestion, and waste removal.
Proteins and Polymers: The Building Blocks of Life and Materials
“Polymers are huge molecules made by joining many small units end to end—like a pearl necklace.”
Plastics: Revolution and Environmental Cost
“Plastics are very hard to degrade... they sit and sit and sit.”
“Chemistry is everywhere and everything's chemistry.”
“Trillions of reactions are taking place all the time. As you and I are speaking... Oh my God, we've been flushed through with many, many chemical reactions.”
“A world without plastics is a world where more people were likely to die... because they went to a hospital and got an infection from a glass syringe.”
Host
Guest
Professor Dame Ijeoma Uchebu
person
Polyester
other
Jason Goodger
person
Chain Reaction: The Wondrous Chemistry of Everyday Life
book
Enzymes
other
Microplastics
other
Amino Acids
other
Cellulose
other
BBC Science Focus
organization
Bricks
other
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