Unearthing Secrets: The Quest for Ancient Ice

Scientists think the world's oldest ice is hiding somewhere in Antarctica. NPR science correspondent Nell Greenfieldboyce tells us how researchers plan to find it — and why.

For more, you can also read Nell's story, "Scientists Have Found Some Truly Ancient Ice, But Now They Want Ice That's Even Older."

Email the show at shortwave@npr.org.

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