| 2 | World War II: Hiroshima, Nagasaki (PDF - 5.6 MB) | Dr. Brendan Foley |
| 4 | Science, military research, and the national security state (PDF) (Courtesy of Prof. David Kaiser. Used with permission.) | Guest: Prof. David Kaiser
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| 5 | Military influence on American science (PDF - 3.3 MB) | Dr. Brendan Foley |
| 8 | Space program: Challenger and Columbia (PDF - 2.0 MB) (Courtesy of Prof. Jeffrey Hoffman. Used with permission.) | Guest: Prof. Jeffrey Hoffman
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| 19 | Climate change research (PDF - 1.0 MB) (Courtesy of Dr. William Curry. Used with permission.) | Guest: Dr. William Curry, WHOI |
| 20 | Alternatives to fossil fuels (PDF - 3.3 MB) (Courtesy of Cape Wind Associates, LLC. Used with permission.) | Guest: Mark Rogers, Communications Director, Cape Wind
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