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PODCAST

The Science of Everything Podcast

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.

science natural sciences

All Episodes

01:24:40

Episode 136: Introduction to General Relativity

The Science of Everything Podcast ·

2023/05/11

An introduction to the conceptual and mathematical framework of Einstein's General Theory of Relativity. We begin by considering the key insight of gravity as a geometric phenomenon, and how the curvature of spacetime by matter explains the equality of inertial and gravitational mass. We then discuss the mathematics of general relativity, including geodesics, differential manifolds, covariant derivatives, the metric tensor, Christoffel symbols, the Riemann curvature tensor, the Ricci tensor, and the

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01:17:47

Episode 135: The Science of Emotion

The Science of Everything Podcast ·

2023/03/31

An introduction to the scientific study of emotion, including a discussion of the difficulties in defining emotions, discrete and dimensional methods of classifying emotions, the functional and representational roles of emotions, and an overview of major psychological theories of emotion, including the James-Lange and Cannon-Bard theories. We also examine the neurobiological basis of emotion, including the roles of the orbitofrontal cortex, the ventromedial prefrontal cortex, the cingulate cortex,

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01:05:14

Episode 134: Hormones and the Endocrine System

The Science of Everything Podcast ·

2023/02/13

An introduction to hormones and the endocrine system, including a discussion of the definition of hormones and their production, storage, release, and mechanisms of action. I also consider the mechanisms of control and regulation of hormone production, focusing on the role of the hippocampus and the pituitary gland. I conclude with an overview of major endocrine glands in the human body, including the gonads, adrenal glands, thyroid gland, and the thymus. Recommended pre-listening is Episode 38:

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01:17:01

Episode 133: Motor Control

The Science of Everything Podcast ·

2023/01/01

A journey through the complex network of regions controlling the human motor system, beginning with the spinal cord and its central pattern generators, and working up through the primary motor cortex, the premotor cortex, the posterior parietal cortex, the cerebellum, and the basal ganglia. I discuss the computational roles of each part of the motor control hierarchy, focusing on what functions are performed and what information is represented in each unique brain region. Overall I emphasise the

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01:04:23

Special Episode: Evolution and Genetics

The Science of Everything Podcast ·

2022/12/10

In this special episode I discuss various topics in evolution and genetics with Art Woods of the Big Biology Podcast. We begin by analysing various ideas associated with the extended evolutionary synthesis, including plasticity, epigentics, and niche construction, discussing the extent to which these ideas are a challenge or merely an addition to the mainstream understanding of evolution. We then consider several common misconceptions about genetics, including the idea of DNA as a blueprint and

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01:16:37

Episode 132: The Muscular System

The Science of Everything Podcast ·

2022/11/09

A journey through the mechanisms of muscles and muscular contraction. I begin by outlining the key structural elements of muscle cells, including the sarcolemma, sarcoplasmic reticulum, the myofibrils and their myofilaments. I then explain the sliding filament mechanism of muscle contraction, and how it is governed by neural signals through the release of calcium. I conclude with a brief overview of the types of muscle contractions, the difference between fast twitch and slow twitch muscle fibres,

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01:02:32

Special Episode: Language in Brains and Machines

The Science of Everything Podcast ·

2022/09/28

A special interview from the Padverb Podcast, in which I discuss my research on language in the brain and thoughts on AI. The discussion covers topics such as backpropagation, how humans acquire language and concepts, how artificial neural networks differ from biological neural networks, and some thoughts on the future impact of artificial intelligence. Near the end of the conversation, we also discuss some of my work on exploring the causes of economic growth and development.Link to the Padverb

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01:08:26

Episode 131: Sleep Science

The Science of Everything Podcast ·

2022/09/11

I discuss the mysterious phenomenon of sleep, outlining the different stages of sleep, how the brain controls sleep and wakefulness, and the various theories for the functions of sleep. I also consider sleep in animals, the effects of sleep deprivation, and some major sleep disorders. Recommended pre-listening is Episode 38: Neurons and Synapses. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon

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01:18:12

Episode 130: Transition Metal Chemistry

The Science of Everything Podcast ·

2022/07/31

I introduce the unique and diverse chemistry of the transition metal elements, also known as the d-block metals. I begin with an overview of transition metal properties and ores, and then discuss coordination complexes, ligands, denticity, chelation, coordination geometries, isomerism, and the difference between strong and weak field ligands. We then examine how crystal field theory can explain many properties of transition metals, including their unique colouration and magnetic properties. The

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01:08:09

Episode 129: Glaciers, Ice, and Groundwater

The Science of Everything Podcast ·

2022/06/30

Concluding our series on geographic landforms, here I discuss glaciers, including their global distribution, formation, movement, and various glacial formations such as moraines, drumlins, and fjords. I also examine the role of ice in shaping periglacial landscapes, including the effects of permafrost and other frost action processes. I conclude with a brief discussion of groundwater, aquifers, and the hydrological cycle. If you enjoyed the podcast please consider supporting the show by making a

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57:24

Episode 128: Wind, Deserts, and Coasts

The Science of Everything Podcast ·

2022/06/06

A discussion of the effect of wind on landscapes, focusing on deserts and coastlines. I outline the processes of eolian erosion, transportation, and deposition occurring in deserts, with particular focus on the formation and types of sand dunes. I also discuss other desert landforms, such as the desert pavement, mesas, and alluvial fans. I conclude with a look at coastal processes, including cliff erosion, emergent and submergent coastlines, and beach erosion processes. If you enjoyed the podcast

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01:04:37

Episode 127: Weathering, Erosion, and Rivers

The Science of Everything Podcast ·

2022/04/30

The first in a new series on geomorphology, in which I review the main erosion processes that shape landforms of the natural environment. Here I discuss the key mechanisms of physical and chemical weathering, outline the major forms of erosion, and provide an overview of mass wasting including rockslides and soil creep. I then present an overview of stream processes, including a discussion of river drainage systems, channel patterns, meandering streams, and stream loads. Recommended pre-listening is

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45:53

Episode 126: Depression and Serotonin

The Science of Everything Podcast ·

2022/04/02

An exploration of the role of the neurotransmitter serotonin in the development of depression. I discuss the role of serotonin in promoting the production of neurotrophic growth factor, the role the growth factor plays in facilitating neurogenesis and neural plasticity, and the various regions of the brain which are implicated in depression. I conclude by discussing the various cognitive distortions and other phenomena associated with depression, and how they can be treated by both pharmacotherapy

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52:56

Special Episode: Genetic Testing

The Science of Everything Podcast ·

2022/02/27

In this special episode I discuss genetic testing with Kira Dineen from DNA Today. We cover a range of topics including the process and science behind genetic testing, the types of genetic conditions that can be tested for, the difference between genotyping and gene sequencing, and the promises and potential issues with direct to consumer genetic testing. We also discuss developing social practises surrounding the use of gene technology, difficulties of informed concept, use of genetic material for

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01:07:05

Episode 125: Earthquakes

The Science of Everything Podcast ·

2022/01/31

A discussion of earthquakes, covering the elastic rebound theory of earthquake generation, the phenomena of deep and intraplate earthquakes, types of seismic waves, methods of earthquake detection, different ways in which earthquakes cause damage, and attempts at earthquake prediction. Recommended pre-listening is Episode 111: Plate Tectonics. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon

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55:29

Episode 124: Volcanoes

The Science of Everything Podcast ·

2021/12/30

A discussion of the awesome power of volcanoes, including an overview of the different types of volcanoes, types of lava and pyroclastics, mechanisms of volcanic eruptions, a curvey of volcanic landforms, and a review of some major historical eruptions and their effects on Earth's climate. Recommended pre-listening is Episode 111: Plate Tectonics. If you enjoyed the podcast please consider supporting the show by making a PayPal donation or becoming a Patreon

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01:00:28

Episode 123: Respiratory and Circulatory Systems Part 2

The Science of Everything Podcast ·

2021/11/30

Concluding the two-part series on the circulatory and respiratory systems, I discuss the biochemical mechanisms by which red blood cells and hemoglobin molecules deliver oxygen to the tissues and carbon dioxide to the lungs, and the mechanisms which regulate these processes. I then consider the respiratory system, giving an overview of the structure and function of the lungs, the process of breathing, control of breathing, and adaptations to high altitudes. Recommended pre-listening is Episode 122:

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36:23

Episode 17: Energy, Work, and Momentum

The Science of Everything Podcast ·

2021/11/28

An overview of the basic concepts of linear momentum, angular momentum, work and energy. Includes a discussion of the conservation of momentum, why the concept is needed, and some applications of the concept to collisions and rotating objects. The nature of energy is also discussed, along with the different forms of energy, and how the concepts of energy and work are related. If you enjoyed the podcast please consider supporting the show by making a paypal donation or becoming a patreon

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38:30

Episode 16: Profits and Competition

The Science of Everything Podcast ·

2021/11/28

A discussion of the importance of the profit motive and freedom of competition in the efficient operation of a market economy. Includes an overview of the uniformity of profit principle, and an examination of how competition serves as both an opportunity and a disciplining agent for entrepreneurs and firms, thus promoting useful innovations while weeding out bad ideas. If you enjoyed the podcast please consider supporting the show by making a paypal donation or becoming a patreon

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42:34

Episode 15: Chemical Bonding

The Science of Everything Podcast ·

2021/11/28

An overview of how atoms bond together to form different chemical substances, including a discussion of the tree main types of bonds (covalent, ionic and metallic), and the relationship of these bonding types to the concept of electronegativity. I also discuss the difference between polar and non-polar bonds, and conclude with some interesting applications of bonding theory to understanding the properties of materials. If you enjoyed the podcast please consider supporting the show by making a

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178 results

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