An interview with William Broad, author of "The Universe Below". ONLINE News Hour discusses with William Broad the discoveries that have been made on the ocean floor.

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Additional Tags

biological oceanography, deep sea organisms, pbs, alvin, ocean floor research, subsurface biosphere, subsurface biosphere research, seafloor

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Classroom Considerations

Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)

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