'Dark oxygen' mission takes aim at other worlds
- Lulua Balasinorwala
- Jan 20
- 1 min read

Summary: Scientists recently discovered that metal lumps on the deep seabed can produce
oxygen in total darkness, challenging the belief that oxygen is only made by plants in
sunlight. This finding could impact how we understand life on Earth and on other planets, as
oxygen is essential for survival. The research team, led by Prof. Andrew Sweetman, plans to
explore deeper ocean areas using high-tech equipment to confirm and study this process.
The discovery has sparked debates among scientists, environmentalists, and mining
companies, especially since these metal lumps are also valuable for making batteries. While
mining companies push for extraction, many scientists are urging caution to protect
deep-sea ecosystems.
My Input: This discovery is amazing because it shows how much we still don’t know about
our planet. The idea that oxygen can be made in the dark could also help us understand if
life could exist on other planets. At the same time, I think we need to protect the deep-sea
environment. Mining could harm the animals and plants living there, so I agree with
scientists who say we should study these areas more before making big decisions.




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