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Inside NASA's Greenland research station SATURDAY 7:30E/4:30P
Join "TechKnow" contributors Phil Torres, Shini Somara, Cara Santa Maria and Marita Davison as they explore scientific innovations and their impact on our lives. Shini gets a rare extended look at NASA's Operation IceBridge research station in Greenland, from which low-flying aircraft are deployed to track rapidly melting glaciers.