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The Earth is 4.5 billion years old, and, during that time, it has seen some things. Life has been a part of most of that history, but what life has looked like has changed dramatically over the eons.

July 13, 2023

Ask the expert: Visiting 'alternative Earths' through the ocean's past

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Ask the expert, Earth and Environmental Sciences, Earth evolution, ocean sediments

MSU researcher Dalton Hardisty uses ocean sediment to dive deep into ancient Earth’s coupled evolution of life and ocean chemistry. He’s currently part of an international research collaboration that recently published work in the prestigious journal Nature, sharing a new approach for studying important chemical and biochemical processes in the Earth’s prehistoric past.