21 | Episode 58. Subtraction: Leidy Klotz 2022-09-11 |
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22 | Episode 57. Bias: Jim Zimring 2022-08-11 |
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23 | Episode 56. Marine Pollution: David Valentine 2022-07-11 |
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24 | Episode 55. DDT: Elena Conis 2022-07-07 |
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25 | Episode 54. Bohr’s Atom: John Heilbron 2022-05-11 |
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26 | Episode 53. Industrial Agriculture: Helen Anne Curry 2022-04-11 |
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27 | Episode 52. Neurological Disorders: Sara Manning Peskin 2022-03-11 |
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28 | Episode 51. Ecological Economics: Herman Daly 2022-02-11 |
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29 | Episode 50. Space & the Sixties: Neil Maher 2022-01-11 |
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30 | Episode 49. Armament & Disarmament: Richard Garwin 2021-12-11 |
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