Fossil fish tooth chemistry uncovers Southern Hemisphere role in Earth's ice age shift
Jun 25, 2026
To understand where Earth might be headed, it's important to know where it has been. Throughout its existence, especially over the past couple of million years, Earth has experienced periodic cold and warm intervals, known as glacial and interglacial periods.
https://phys.org/news/2026-06-fossil-fish-tooth-chemistry-uncovers.html
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