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Andrew Sweetman

Andrew Sweetman

The Conversation

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My team discovered ‘dark oxygen’ on the seafloor – now we’re trying to understand how it was made

Scientists are exploring the deep ocean to understand how oxygen can be produced there without sunlight.

20.03.2025 10

The Conversation

Andrew Sweetman

PCBs: these toxic pollutants were banned decades ago but still pose a huge threat

Toxic synthetic chemicals called polychlorinated biphenyls (PCBs) were banned more than 40 years ago but still threaten human health and the...

03.09.2024 3

The Conversation

Andrew Sweetman