The ChemPod

BIOLOGY EDITION: Chemically Induced Pluripotent Stem Cells

Mon, 16 Mar 2026 10:02:00 GMT

Could your own cells be the key to curing untreatable diseases? In this episode, we explore the cutting-edge world of Chemically Induced Pluripotent Stem Cells (CiPSCs). We break down how scientists are moving past the ethical dilemmas of embryonic cells and the risks of transplant rejection by reprogramming adult somatic cells back to an embryonic-like state.

We dive into the mechanics of pluripotency, explaining how the famous Yamanaka factors—Oct4, Sox2, Klf4, and c-Myc—work together to remodel DNA and reset a cell’s identity. Discover why chemical induction is taking the pharmaceutical world by storm, offering a safer, cheaper, and more consistent way to manufacture stem cells without the need for genetic modification.

Finally, we look at the real-life impact: from drug discovery for diseases like ALS to cell therapy for Parkinson’s and Diabetes. Join us as we explore a future where a patient’s own cells become their most powerful medicine!

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THE INTERVIEW: Ms Davidson

Mon, 02 Mar 2026 10:02:00 GMT

In this special edition episode of The Chempod, we sit down with the remarkable Miss Davidson to explore her unique and inspiring journey in STEM. From her early days as a quiet student at school to her time studying Natural Sciences at the University of Cambridge, Miss Davidson’s path was anything but predictable.

Discover how her fascination with the world around her led her from the halls of her university to becoming a loudspeaker engineer at KEF, where she combined her love for physics and sound. We delve into the science of acoustics and the thrill of designing cutting-edge audio technology.

Now a dedicated physics teacher at Harrow, Miss Davidson shares her passion for the scientific method and offers invaluable advice for all aspiring scientists.

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The Chemistry of Forensics

Mon, 16 Feb 2026 10:02:00 GMT

From a targeted attack at sunrise to the high-tech forensic labs, this episode pulls back the yellow tape to reveal the chemistry of crime-solving. We explore the critical toolkit of forensic scientists, starting with the high-stakes difference between quick presumptive tests—like the pink-turning Kastle-Meyer test—and the definitive confirmatory tests that hold up in a court of law.

We dive into the investigation of firearms, explaining how the Modified Griess Test uncovers invisible gunpowder residue and how GC-MS technology creates a "molecular fingerprint" to identify unknown substances. Finally, we demystify the world of DNA analysis, from the "copy machine" power of PCR to the specialised Y-STR testing used to isolate genetic profiles. Whether it’s analysing a stained kitchen knife or searching the CODIS database for a match, discover how hard evidence ensures justice is served.

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The Chemistry Behind Caramelisation

Mon, 02 Feb 2026 10:02:00 GMT

Caramelisation is an essential culinary process that turns simple ingredients into mouth-watering dishes, but what's actually happening when sugar goes from white crystals to that complex, nutty, bittersweet liquid?

In today's episode of the chempod, we will explore the sticky but rich world of caramelisation, how it works, what foods it is involved with, and practical tips in the kitchen so that you can finesse the art of creating the perfect caramelised treat.

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Valence Bond Theory Versus Molecular Orbital Theory

Mon, 19 Jan 2026 10:02:00 GMT

Everything in the world is made of atoms, and all atoms are connected by bonds—but what exactly are bonds, and how do they hold things together? Scientists have contemplated this throughout the 20th century, and two major theories have emerged from their musings: valence bond theory and molecular orbital theory. In this episode, we uncover how these theories rose as one of the first applications of quantum mechanics, opening in chemistry and physics a new area of study, as well as how they began a century-long feud yet to be resolved.

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Season 2: Chempod is Back!

Mon, 05 Jan 2026 10:02:00 GMT

The Chempod is an outlet for the curious minds of potential chemists, a dedicated platform for your eager questions to be answered, a home to all life-long learners - that is what the ChemPod is here for.

We are your hosts and Co-Presidents, Charlize and Vanessa.

If you have any topics you would like to learn more about, or would like to join the team as a producer, editor or artist, please email chempod@harrowschool.hk or contact both of us.

Let's get bonding!

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Spectroscopy and Spectrophotometry: Development, Mechanism and Applications

Mon, 15 Jan 2024 12:58:55 GMT

What is the methodology behind forensics? How are proteins quantified? How do you tell if the compounds in your experiment are impure (to answer that 3 marker on your chemistry test)? Well then, spectroscopy and spectrophotometry will answer all your questions!

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Samsung Batteries: Expanding... and Exploding?

Sun, 26 Nov 2023 22:00:09 GMT

Some of you may have heard of or remember the incident back in 2016 when Samsung released the Galaxy Note 7, the phone infamous for its exploding battery. Recently, many content creators have discovered that several of their devices are expanding, with a notable trend – the majority of these problematic devices are Samsung's. Join us as we delve into this concerning revelation and explore the implications of Samsung batteries expanding, and possibly, exploding

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Blood in the Lab: The Chemistry Behind Fake blood

Sun, 05 Nov 2023 22:00:52 GMT

Have you ever wanted to fake an injury to skip a class? Have you ever wanted to pretend to be a soldier in a war, fighting for their country? Or, even better, have you ever wanted to act like a surgeon performing surgery? Well… I have just the perfect solution for you.

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Powering the Future: Exploring Sodium Batteries and the Rise of Eco-Friendly Energy Storage

Sun, 15 Oct 2023 22:14:07 GMT

Lithium-ion batteries are used in almost all of our everyday devices, but they pose many harms to the environment, such as contaminating water supplies. The recent invention of sodium batteries may be able to overcome these disadvantages. This makes us wonder, what's to come for this new generation of batteries?

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The Chemical Revolutionaries: The Four Visionaries Who Shaped Modern Chemistry

Sun, 01 Oct 2023 22:30:53 GMT

Who invented dynamite? Who contributed to the early establishment of the conservation of mass? Chemistry has revolutionised the way we live our lives, and this episode will give you an insight into some of the most influential chemists that continue to shape the world of modern chemistry even to this day.

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Pondering pH: Unlocking the Secrets of Acidity, Bases, and Alkalinity

Sun, 17 Sep 2023 22:30:47 GMT

In this intriguing episode, we explore the fascinating world of pH and its impact on our daily lives. Discover how pH affects our bodies, the environment, and the preservation of everyday items. Learn about the distinction between acids and alkaline substances, and uncover their chemical behaviours. Join us as we delve into the intricacies of pH and unlock the secrets behind acidity, bases, and alkalinity.

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The Romans Built it Better: Roman Concrete-Where Ancient Wisdom Outlasts Modern Structures

Mon, 04 Sep 2023 00:00:50 GMT

Roman concrete has allowed buildings like the Pantheon to last for centuries, while modern roads deteriorate in years, and most buildings crumble in 50 to 100 years. What was their secret? How did the Romans do it better, 2000 years ago?

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Metallotrophic Marvels: Exploring the Wonders of Metal-Eating Bacteria

Sun, 11 Jun 2023 21:00:59 GMT

In a world filled with astonishing microbial wonders, there exists a group of organisms with an appetite for the extraordinary. Join us on a journey as we unravel the secrets of these metal-eating bacteria!

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From Toast To Roast: The Deliciousness Of The Maillard Reaction

Mon, 29 May 2023 08:00:22 GMT

Why does toast always taste better than plain bread? What causes the golden colour of toasted marshmallows? Listen to this episode to find out more about the deliciousness of the Maillard reaction!

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Unearthing the Dark Side of the Elements: The Discovery Of Heavy Radioactive Elements

Sun, 07 May 2023 16:00:00 GMT

We'll be discussing how new heavy elements are slowing being discovered as well as what exactly is radioactivity.

If you have any episode suggestions or any questions please go to this link: https://forms.gle/WPPvNGdzWf3XZG3S7
Thanks as always for listening :)

Host sand Editors for specific episodes are mentioned within them
Moderator: Alana
Podcast theme music by Transistor.fm

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Unveiling the Mystery of the Atom: The Journey in Discovering the Building Blocks of the Universe

Mon, 24 Apr 2023 07:00:00 GMT

Here's an introduction to the history of the atomic structure. Just how did the idea come to be? Why is the smallest particle known to mankind called the atom?

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What's The ChemPod All About?

Mon, 10 Apr 2023 14:00:00 GMT

New to The ChemPod? Listen to this introductory episode to find out more on what The ChemPod entails!

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