The Science of Everything Podcast

Updated: 23 Sep 2025 • 178 episodes
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I discuss a variety of topics in both the natural and social sciences, exploring the many fascinating insights that the scientific method yields about the world around us.

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An overview of Magnetic Resonance Imaging (MRI), beginning from the basic physics of nuclear magnetic resonance, and covering the use of radiowaves to excite nuclear spin states, and the T1 and T2 modes of relaxation. We then explore how these phenomena are used to produce 3d images, including magnetic field gradients,

91 min
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A review of the carbohydrate insulin model of obesity and the related proposal that low carbohydrate diets are superior to traditional low fat diets. I begin with a discussion of the theory behind the carbohydrate insulin model, and then assess its plausibility using relevant evidence from rodent studies, dietary studi

74 min
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An interview with Ariel Zeleznikow-Johnston, author of the book 'The Future Loves You: How and Why We Should Abolish Death'. We begin by discussing how best to define death, focusing on the idea of death as the permanent disruption of psychological identity, and how such identity is constituted by our personality, desi

76 min
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A review of the science between the metabolic syndrome, including discussion of obesity, diabetes, hypertension, and hyperlipidemia. We discuss the pathophysiology of how enlargement of adipocytes disrupts metabolic signalling pathways and leads to buildup of lipid intermediates. We then consider how these effects impa

76 min
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01:16:34
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An introduction to human nutrition, in which we discuss the nutritional importance and role of carbohydrates, fats, proteins, vitamins, and minerals, before considering the effects of malnutrition, how it is measured, and its prevalence around the world. We conclude with an analysis of basal metabolic rate, reviewing e

74 min
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An exploration into the exciting world of home appliances and devices. We begin with a journey through the kitchen, discussing the design and operating principles behind the refrigerator, rice cooker, convection oven, microwave, and dishwasher. We proceed to the laundry to examine how the washing machine, vacuum cleane

77 min
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01:17:11
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