d라이브러리
"NOT"(으)로 총 257건 검색되었습니다.
- 귀소하는 거북과학동아 l1989년 07호
- have accidentally discovered the Ascension Is-land beaches, which, for all we know, may have just formed then and may not have existed before, or existed only at long intervals, These turtles c ...
- DNA분자를 처음 보다과학동아 l1989년 06호
- shape of bedsprings). Each strand had a complicated shape, and the two strands fit each other exactly.When DNA forms another molecule like itself, the two strands unwind and each one picks up s ...
- 마지막 남은 청정지역과학동아 l1989년 06호
- we have a responsibility to try to protect and preserve in as pristine a state as possible the few areas on Earth not yet spoiled by man.Opening up the continent for the pleasure of tourists w ...
- 예수의 수의과학동아 l1989년 05호
- unlikely. For three centuries, scientists have puzzled over how Antonio Stradivari manufactured his violins. They cannot reproduce the tone of a Stradivarius violins no matter what they do. No ...
- 유전자 연구계획과학동아 l1989년 05호
- varieties so that every individual can be assigned his own genome and his own nucleic acid "fingerprint".This will not necessarily mean that every person will have to carry his entire genome in ...
- 지진 The Earth Trembles과학동아 l1989년 04호
- that way. But if we learn to tell that an earthquake is going to take place near a certain city next year, that does not give us time to reinforce the city and make it safe. All we can do is ev ...
- 대기권 밖의 망원경과학동아 l1989년 04호
- in that position that might signify the presence and gravitational pull of a planet circling it. So far, we have not been able to get clear evidence of planets circling other stars, but the eye ...
- 최초의 언어과학동아 l1989년 03호
- so that if Turkey was the original home of the IndoEuropeans, the vicissitudes of history have arranged to have a notIndoEuropean language spoken there today).Then there are variety of language ...
- 인류최초의 발견─불의 사용과학동아 l1989년 03호
- 우리 인류 또는 우리의 조상인 원시인간에 의해 이루어진 최초의 중요한 발견은 불의 사용이다. 그러나 우리는 얼마나 오래전에 이 발견이 있었 ... a chance, however, that it was Australopithecus robustus that, before it died out, bequeathed to us the use of fire. ...
- 산불의 냉각효과과학동아 l1989년 02호
- of day-to-day temperatures in the case of ordianry forest fires certainly makes it seem that a "nuclear winter" cannot be ruled out. In addition to the immediate deaths by the explosive blasts, ...
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