Scientists in Antarctica have dug out ice that can be from as far back as 1.2 million years. NPR's Ayesha Rascoe talks to researcher Carlo Barbante, about what he hopes to learn from the ice.
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Ayesha Rascoe is a White House correspondent for NPR. She is currently covering her third presidential administration. Rascoe's White House coverage has included a number of high profile foreign trips, including President Trump's 2019 summit with North Korean leader Kim Jong Un in Hanoi, Vietnam, and President Obama's final NATO summit in Warsaw, Poland in 2016. As a part of the White House team, she's also a regular on the NPR Politics Podcast.