Unexplainable

Dark oxygen could rewrite Earth’s history

Sep 11, 2024 · 23 min
0:00-23:28

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Scientists just discovered oxygen being produced without sunlight — without photosynthesis — at the bottom of the ocean. This “dark oxygen” could fundamentally change the story we tell of life on Earth and in the rest of the universe.

Guest: Alycia Smith, ecologist at Heriot-Watt University

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