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 [email protected] pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy