Measuring deep-ocean oxygen with microscopic magnetic fossils

PHYSorg
Oct 15, 2026, 5:40 pm257 ptsTop
Humanity's ongoing disruption of atmospheric carbon dioxide (CO₂) concentrations, temperatures, and global nutrient cycles is starving the oceans of oxygen. Although we can measure ongoing changes to ocean circulation and marine life, we still don't know how far the oxygen loss and the damage to ocean…

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