Episode (167)
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Episode 159: Quantum Electrodynamics Part 2
Apr 01, 2026Continuing from quantum electrodynamics part 1, here we explore the mathematical machinery used to compute interactions between particles, including propagators, Feynman diagrams, cross sections. We t...
Episode 158: Quantum Electodynamics Part 1
Mar 01, 2026A detailed look into the physics and mathematics of quantum electrodynamics, the theory of how light and matter interact. We discuss the generalisation of the Schrodinger equation to the Klein-Gordon ...
Episode 157: The Geologic Time Scale
Jan 17, 2026A survey of the Earth's history through the lens of the geologic timescale. We begin with a discussion of the terminology of geochronologic units and how they are specified using 'golden spikes'. We t...
Episode 156: Fossils and Dating Methods
Nov 30, 2025An introduction to the techniques used to study the history and ages of geological speciments. We begin with an overview of chronostratigraphy, covering principles of relative dating, way up indicato...
Episode 155: Embryology and Development
Oct 24, 2025An introduction to the process of development, beginning with fertilisation and covering the stages of blastocyst formation, implantation into the uterus, gastrulation and its constituent cell movemen...
Episode 154: Magnetic Resonance Imaging
Sep 23, 2025An 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 mod...
Episode 153: Low Carb Diets
Jun 09, 2025A 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...
Special Episode: Brain Preservation and Abolishing Death
May 04, 2025An 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 de...
Episode 152: Obesity, Diabetes, and Hypertension
Mar 29, 2025A 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 dis...
Episode 151: Diet and Nutrition
Feb 01, 2025An 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, ho...