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"over"(으)로 총 134건 검색되었습니다.- 공룡의 죽음-열쇠가 되는 아미노산과학동아 1989년 11호
- on Earth's surface, but by non-life processes in a meteor or comet.Of course, there are some questions about this discovery. How is it that the amino acids were not destroyed by the heat of imp ...
- 바라는대로 되는 것만은 아니다과학동아 1989년 10호
- the dramatic-but wishing didn't make it so.However, that isn't always the case with all dramatic and unbelievable discoveries. In 1938, the German physicist Otto Hahn, who had been bombarding u ...
- 가장 약한 파(波)―중력파 The Weakest Wave과학동아 1989년 09호
- cost about $25 million to produce.What's more, to do it properly, there should be four such instruments distributed over the whole world, so that all four would be affected almost simultaneousl ...
- 녹색 식물의 탄생 How Green Plants Began?과학동아 1989년 09호
- that before those first cells evolved there were smaller, more primitive cells that existed as the only forms of life over a period of perhaps 2 billion years, Such small primitive cells still ...
- 초기인류의 언어능력을 말해주는 뼈과학동아 1989년 08호
- 말할수 있는 능력 즉 정보나 추상적인 생각을 전달하기 위해 복잡한 소리들을 매우 빠르고 명확하게 변화시키는 일은 인간 고유의 특장(特長)이다. 우리는 말 ... do.Lester and I have argued repeatedly over this question. I shall be sure to break the news of the hyo ...
- 지하생활과학동아 1989년 07호
- business and community endeavors are concerned. This could be important in a freely mobile world. Air transportation over long distances, east and west, would no longer entail jet lag, If we le ...
- DNA분자를 처음 보다과학동아 1989년 06호
- thin slices of material. But then, ways were found to produce a very thin, sharp beam of electrons and play that beam over the surface of an object. The beam "felt" its way, so to speak, across ...
- 예수의 수의과학동아 1989년 05호
- nevertheless seems to many to be a miraculous fake.But this is unlikely. For three centuries, scientists have puzzled over how Antonio Stradivari manufactured his violins. They cannot reproduce ...
- 지진 The Earth Trembles과학동아 1989년 04호
- If someone is caught in the open in an earthquake, the shaking of the Earth may be frightening indeed, but it will be over in five minutes or so and you will be safe. If, however, you are with ...
- 산불의 냉각효과과학동아 1989년 02호
- of the interval, temperatures were down by nearly 30 degrees Fahrenheit.The cause of this phenomenon was the burning over the period of a month of 80 squares miles of forest. There have been es ...
