News FocusEarth Science

The Story of O2

Science  17 Jun 2005:
Vol. 308, Issue 5729, pp. 1730-1732
DOI: 10.1126/science.308.5729.1730

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Summary

Gaseous oxygen is essential to advanced life, but Earth came with no guarantees that oxygen would abound. Researchers are piecing together life's complex involvement in oxygen's halting 3-billion-year rise.

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