Episode (167)
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Episode 78: Hearing
Sep 17, 2016An explanation of the process of human hearing, covering the structure and function of the outer, middle, and inner ears, with a focus on explaining how the hair cells of the cochlea transduce mechani...
Episode 77: Nuclear Physics and Radioactivity
Jul 30, 2016An introduction to the physics of protons and neutrons in the atomic nucleus, with a focus on explaining the different modes of radioactivity, alpha, beta, and gamma decay, as well as different ways o...
Episode 76: GDP and Unemployment
Jun 02, 2016An introduction to the economic concepts of GDP (Gross Domestic Product) and unemployment, including a discussion of how these concepts are defined, how they are measured, their relevance to understan...
Episode 75: Cellular Respiration
May 06, 2016An overview of the processes involved in the generation of energy in cells, including a discussion of the role of ATP in energy storage, glycolysis, the krebs cycle, oxidative phosphorylation, and ATP...
Episode 74: Minerals and Rocks
Dec 30, 2015A discussion of minerals, including their main properties such as crystal structure, habit, cleavage, lustre, and hardness, followed by a brief overview of some of the major mineral classes, with a fo...
Episode 73: Introduction to the Immune System Part 2
Jun 29, 2015Continuing on from the previous episode, I discuss the role of antibodies and antigens in mediating adaptive immunity, and follow with a discussion of the functions and roles of B-cells and T-cells. I...
Episode 72: Introduction to the Immune System Part 1
Feb 27, 2015An overview of the human immune system, beginning with some basic anatomy of the lymphatic system, and proceeding through a discussion of the distinction between the innate and adaptive immune systems...
Episode 71: Political Ideologies
Jan 30, 2015A social scientific discussion and comparison of some of the major political ideologies in the world today, beginning with an overview of the origins, meaning, and limitations of the 'left-right' poli...
Episode 70: Animal Diversity Part 2
Dec 30, 2014Continuing from Episode 69, I explore the diversity of the mammals, looking at all the mammalian orders and their major families. Special focus is given to primates and particularly hominids, which ar...
Episode 69: Animal Diversity Part 1
Dec 29, 2014In this episode we explore the diversity of the animal kingdom. I first discuss the history of taxonomy and give an overview of some key concepts such as morphological similarity, phylogenetic analysi...