Story perspectives

Study on 'Dark Oxygen' Sparks Controversy in Deep Sea

3/20/2026

Summary

Story summary

In 2024, a study claimed to discover 'dark oxygen' in the deep sea, suggesting metallic lumps could split seawater.
Critics say the study is flawed, inconsistent with thermodynamics, and lacks evidence.
They point to improper equipment ventilation and the absence of hydrogen measurements.
Dr. Andrew Sweetman, study lead, plans to deploy robots in May to investigate.
Findings could affect deep-sea mining regulations for polymetallic nodules in the Clarion-Clipperton Zone.

1 of 1

Story summary

In 2024, a study claimed to discover 'dark oxygen' in the deep sea, suggesting metallic lumps could split seawater.
Critics say the study is flawed, inconsistent with thermodynamics, and lacks evidence.
They point to improper equipment ventilation and the absence of hydrogen measurements.
Dr. Andrew Sweetman, study lead, plans to deploy robots in May to investigate.
Findings could affect deep-sea mining regulations for polymetallic nodules in the Clarion-Clipperton Zone.