An introduction to the theory of plate tectonics, beginning with an overview of the internal structure of Earth, the differences between oceanic and continental crust, subduction and other forms of plate boundaries, the formation of volcanic arcs, the origin of the Earth's magnetic field, and the mechanisms underlying tectonic plate movement. The episode concludes with a summary of the varies lines of evidence in favour of continental drift, including seafloor spread, biogeography, and polar wandering. Recommended prelistening is Episode 74: Minerals and Rocks.
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Episode 86: The Evidence for Evolution
Episode 85: Introduction to Quantum Field Theory
Episode 84: Advanced Quantum Mechanics Part II
Episode 83: Advanced Quantum Mechanics Part I
Episode 82: Racial Differences in Intelligence
Episode 81: Intelligence Part 2
Episode 80: Intelligence Part 1
Episode 79: Basic Concepts in Statistics
Episode 78: Hearing
Episode 77: Nuclear Physics and Radioactivity
Episode 76: GDP and Unemployment
Episode 75: Cellular Respiration
Episode 74: Minerals and Rocks
Episode 73: Introduction to the Immune System Part 2
Episode 72: Introduction to the Immune System Part 1
Episode 71: Political Ideologies
Episode 70: Animal Diversity Part 2
Episode 69: Animal Diversity Part 1
Episode 68: Protein Structure and Function
Episode 67: An Overview of Language Part 2
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