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YTN Science [»ý°¢¿¬±¸¼Ò] µü ¸Â´Â 'Á·Áý°Ô' ½É¸®Å×½ºÆ®, ±× ºñ°áÀº? (2017. 4. 12.)
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YTN Science [»ý°¢¿¬±¸¼Ò] µü ¸Â´Â 'Á·Áý°Ô' ½É¸®Å×½ºÆ®, ±× ºñ°áÀº? (2017. 4. 12.)

http://science.ytn.co.kr/program/program_view.php?s_mcd=0082&s_hcd=0013&key=201704121603126140