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 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
Episode 66: An Overview of Language Part 1
Episode 65: Money, Inflation, and Interest Rates
Episode 64: Knowledge Representation
Episode 63: The Nervous System
Episode 62: Organic Chemistry Demystified
Episode 61: Magnetism
Episode 60: Memory Encoding and Recall
Episode 59: Smell
Episode 58: Taste
Episode 57: Electric Current and Circuits
Episode 56: The Gains from Trade
Episode 55: Sex and Gender Part 2
Episode 54: Sex and Gender Part 1
Episode 53: Sound and Music
Episode 52: Applications of Optics
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