An 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 of measuring radiation and some of its biological effects. I also discuss some applications of radioactivity in radiometric dating, radiotherapy, nuclear power, and nuclear weapons. I conclude by discussing a few popular misconceptions about radioactivity. Recommending prelistening is Episode 8: History of the Atom.
Episode 2: Organic Agriculture Part 1
Episode 122: Respiratory and Circulatory Systems Part 1
Episode 121: The Biology of Pain
Episode 120: Computational Chemistry Part 2
Episode 119: Computational Chemistry Part 1
Episode 118: Cell Signalling
Episode 117: Intracellular Protein Sorting
Episode 116: The Cell Membrane
Episode 115: Special Relativity Part 2
Episode 114: Special Relativity Part 1
Special Episode: Visual Processing in Mice
Episode 113: Visual Processing
Episode 112: Introduction to Microbiology
Episode 111: Plate Tectonics
Episode 110: Weather Part II
Episode 109: Weather Part I
Episode 108: Political Institutions and Sustained Economic Growth
Episode 107: Cultural, Geographic, and Political Explanations of Poverty
Episode 106: Theories of Economic Growth and Development
Special Episode: Mario Livio on Galileo
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