Ocean science · Contested finding
Dark Oxygen on the Seafloor?
An unexpected report of oxygen changes near polymetallic nodules provoked debate over measurements and interpretation. The journal subsequently flagged concerns.
Claims of oxygen production in deep marine settings have generated interest because they would challenge simple expectations about oxygen sources in the absence of light.
The evidence is contested; experimental artefacts, measurement conditions and independent replication must be resolved before strong ecological conclusions are drawn.
AI-assisted preliminary overview · Awaiting editorial review. The linked materials are research leads; some citations remain to be checked against the original works.