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https://www.youtube.com/watch?v=R9s1IvNqCwE
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12/22/23 at 10:00pm
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[YTN 사이언스 기사원문] https://science.ytn.co.kr/program/view_hotclip.php?mcd=1185&key=202312220904138556[프로그램 제작 문의] legbiz@ytn.co.kr
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