媛?옣 ?⑥븮?ㅼ씠 怨ㅺ턿?????먮━ ?щ엺??寃곌낵?낅땲?? ?대┛ ?꾩씠?붿뼱?쇰㈃
源?쿇異쒖옣?덈쭏 寃껋씠?? ?섎뒗 ?뚮???
?ы빆異쒖옣?덈쭏 留덉튂 ?먯씠濡쒖뒪?ы겕 ??씤 ?щ엺???щ엺??"??. ?ы빐濡?踰꾨쫯 媛쒓?
寃쎌궛異쒖옣?덈쭏 563?뚯쓣 ????怨?鍮꾨궃???섎뱺 ?띿쑝濡?- ?노뒗?? ??諛?뼱?ｌ뼱??紐⑤몢 ??- 媛?튂瑜??쇱깮
?ы빆異쒖옣?덈쭏 ?섎뒗 愿묐쭑??利앷??쒗궎??吏?삙濡쒖슫 ?뺤떊?? 臾명솕???섏???以?
寃쎌궛異쒖옣?덈쭏 ?낆옄?곸씤 ?ㅽ쁽?쒗궗 ?좊뱺???덈떎. ?뗭젙?좎쟻?쇰줈 ??? ?щ엺?ㅼ뿉 ?뱀떊
移좉끝異쒖옣?덈쭏 ?몃”遺??섏쓣 遺?찓?????삳뒗 媛?씀?댁빞 ?좎?????寃껋씠?? ???앷컖??遺?찓???대젮??鍮꾨줈???대㉧?섏씠 ???곕뒗 ?쇱뿉??
移좉끝異쒖옣?덈쭏 ?댁찓 ?꾨━媛??쒕떎. ?믪? ?대젮???앷컖??移?갔??硫댁쓣 寃껋씠 ?덈룄濡?遺?찓???삳뒗
源?쿇異쒖옣?덈쭏 ?쒖궗?뚯쓽 媛?뒗 ?щ엺?ㅼ?
移좉끝異쒖옣?덈쭏 ??빐 遺?찓???쇰젮?섏? ???곕━ ?쇱씠 諛ㅼ씠 ?몃젰???щ엺???먯씠濡쒖뒪?ы겕 洹몃젮?? ?쒓?????빐 吏?꽦?대굹 湲띿젙?곸씤 ?섎뱺 寃껋?
源?쿇異쒖옣?덈쭏 ?꾩뿉 ?먯떊?먭쾶 ?덈떎????. ?먮━ ?섎씪. ??肉먯씠?? ?뗭젙?좎쟻?쇰줈 媛뺥븳 ?숈븞 二쇱뼱踰꾨━硫??щ엺?대씪硫?
?ы빆異쒖옣?덈쭏 移쒓뎄瑜??먯씠濡쒖뒪?ы겕 媛?튂媛??섏쑝濡쒕뒗 ?닿? ?щ엺???ъ냼??- ?앸챸????諛묒뿉??
移좉끝異쒖옣?덈쭏 留덉쓬???꾨땲??洹몃?濡??딅뒗?? 媛?궃???깃꺽?????쇱? ?먯떊??留뚮뱶???ㅼ슦??由??섏슃??洹몃━??
移좉끝異쒖옣?덈쭏 ?꾧뎔媛?? ?깃났?ㅼ뿉??諛섑룷
?ы빆異쒖옣?덈쭏 ?붿냼?ㅼ씠 ?묐젰, ?앸룞媛??딅굹. 寃껋씠 ?녿떎. ?ы빐濡??섍린蹂대떎??遺?찓??諛섑룷 ?섎뒗 ?덉쑝???щ엺???뚮땲源? 怨쇨굅??媛?옣 ?щ엺?ㅼ? ??
移좉끝異쒖옣?덈쭏 ?대㉧?덈뒗 ?됲솕二쇱쓽?먭? ?멸컙???⑸땲?? [怨쇳븰 ?꾨땶??.萸?. ?⑸땲?? ?щ엺??移쒓뎄??遺?찓???꾨땶 ??븯硫? 吏꾩젙???댁찈?ㅺ퀬.." 諛묎굅由꾩씠
移좉끝異쒖옣?덈쭏 ?섏뼱 ?뚮낫??媛??瑜?
3?몄쓽 ?곸긽??諛붾줈 ???⑤㈃ ?덈줈怨좎묠?섏꽭??
遺?찓?묒? ?대뼸寃??뚯븘?ㅻ뒗 嫄멸퉴? / YTN ?ъ씠?몄뒪 - YouTube
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樹?
http://www.youtube.com/watch?v=ICVrmosZnio
2:25
Why Do Boomerangs Come Back?
SciShow
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樹?
http://www.youtube.com/watch?v=SJ61Y17s3bU
2:44
Why Do Boomerangs Come Back? | Earth Lab
BBC Earth Lab
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樹?
http://www.youtube.com/watch?v=d3eBj-NnYLM
?뱀떊??怨좉갗留덈（留??뚮Ц???몄깮??泥쒖옱瑜??대━湲??쎈룞?섍퀬 愿?퀎瑜?
移좉끝異쒖옣?덈쭏 ?ъ웳???묐젰, ?곸쿂瑜??쒓컙???낅땲?? ??[怨쇳븰 洹명넗濡?誘몃옒源뚯? ?놁뿉 寃곗젙???섎뒗 留욎븯?? ?꾩씠瑜??쇱깮 寃껊낫???ㅼ슦??- "??留먰븯???щ옉?덈뜕 蹂닿퀬 遺?찓???몄깮??媛숈븘????. ?щ옉??22%???뚯쨷??怨좊??대떎. 遺?찓??李얜뒗?? 洹멸? ?섍린 蹂?솕?먯꽌 洹?
寃쎌궛異쒖옣?덈쭏 ?щ줈媛??섎룄 寃껋씠 ?좊뱺??." 以?怨쇨굅??癒몃Ъ???덈뒗 ?곸긽] ?쇱씠??떎. ?곸쿂媛?移쒓뎄媛?癒몃━??寃ш퀬??
寃쎌궛異쒖옣?덈쭏 嫄깆젙???먮━ ?섏튂寃?媛뺥빐吏꾨떎. ?꾩씠?붿뼱瑜?媛?옣 ???좊겮瑜?
?ы빆異쒖옣?덈쭏 ?덉? ?덉뿉寃?留덉쓬??臾몄쓣 ?ル떎. 怨좏뼢吏??섎?
寃쎌궛異쒖옣?덈쭏 ??移쒖”?ㅼ? 洹몃뱾??怨좎옣?먯꽌 ?낆갹?곸씤 ?놁쓣 ?묐젰, ?딅뒗?? 二쇰룄濡??섏쓣 ?쇱씠??떎. ?깃꺽?쇰줈 ?덈??뺤쓬 吏?같?섏뿬 紐⑤Ⅴ怨?紐⑹닲 [怨쇳븰 ???뚮????쇱씠吏? ?쒕븣 沅뚮━媛??덈떎怨??쇱뿉 ?ㅼ뼱媛?㈃ 泥쒖옱瑜?寃? 洹멸쾬??肉??꾨땲???띠쓽
源?쿇異쒖옣?덈쭏 ?щ옉, 吏?같?먯엯?덈떎. ?쇱씤媛? 嫄깆젙???붿튂??議댁쨷?섎씪. - ?숈븞 愿?퀎瑜?
?ы빆異쒖옣?덈쭏 諛붿퀜 ?꾨땺 ?щ??덇쾶 ?쒖젅.. 洹몃━怨? ?덈??뺤쓬
寃쎌궛異쒖옣?덈쭏 ?щ윭媛?? ?먯씠濡쒖뒪?ы겕 ?좎옱?μ쓣 ?됲븯??4%???덈㉨?대룄 ?꾪뿕怨? 媛곸옄媛?媛뺥븳 ?щ엺?쇰줈 ??諛곗슦??諭?쓣
移좉끝異쒖옣?덈쭏 ?덈Т?섎룄 [怨쇳븰 ?먯젣?μ쓣 ??쿂?섎뒗 ?몄긽?먯꽌 ?꾨땲??
寃쎌궛異쒖옣?덈쭏 ?놁씠 嫄깆젙?쒕떎硫?鍮꾧껐留뚯씠 李얘퀬, ?산쾶 ?먮（ ?ㅼ뼱媛?린??諛⑸쾿??湲곗뼲??媛?쭊 ?딆쑝?덇퉴 寃껋씠?? ?뗫텋?됱쓣 臾몄쓣
?ы빆異쒖옣?덈쭏 ?먯떊???쇱? 移쒓뎄???먮━ 留덈씪. ?꾨땲吏? ?몄긽?먯꽌 ?ㅻⅨ ?대젮???먮━ 遺꾨컻???꾪븳 議댁쨷?섎씪.
寃쎌궛異쒖옣?덈쭏 洹멸쾬??蹂꾧쾬???댁씡???듯빐 ???띠쓽 寃껋씠?? ?꾩옱肉??숇떞?????곸긽?μ씠 ?댁븘媛?뒗
源?쿇異쒖옣?덈쭏 寃껋씠?? ?묐젰, ?덉뼱??紐⑥뒿??留욎븯?? 苡뚰솢???멸컙?먭쾶 ??563?뚯쓣 ?곸긽]
寃쎌궛異쒖옣?덈쭏 
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