800w, 1200w, 1920w" alt="Researchers extract an ice core from Ong Valley, Antarctica" />

To learn about the future of Earth’s climate we can look to the past, and one of the best ways to do that is with samples drilled from deep ice cores. Now, scientists have dated what may be the world’s oldest ice core, with some sections potentially preserving samples as old as 5 million years.

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Category: Environment, Science

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