4 weeks ago
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A team of researchers in South Korea has uncovered evidence that could shed new light on how Earth's atmosphere first became rich in oxygen, one of the most important turning points in the planet's history.
Scientists from the Korea Institute of Geoscience and Mineral Resources (KIGAM) discovered stromatolites, layered rock structures created by ancient microbial communities, inside the Hapcheon impact crater. The site is the only confirmed asteroid impact cra...
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