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- 유전자 연구계획과학동아 l198905
- 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 ...
- 예수의 수의과학동아 l198905
- 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 ...
- 대기권 밖의 망원경과학동아 l198904
- 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 ...
- 지진 The Earth Trembles과학동아 l198904
- 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 ...
- 최초의 언어과학동아 l198903
- 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 l198903
- 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 l198902
- 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, ...
- 물이 많아지고 더워진다과학동아 l198902
- That means that some of the carbon dioxide it now holds in solution will act to warm the Earth still further.This is not a new discovery that has suddenly been made in 1988. Scientsts have tho ...
- 태양을 스쳐 지나가기과학동아 l198901
- 태양계에 있는 어떤 천체가 당할수 있는 최악의 재난은 태양과 부딪치는 것이다. 최근까지 과학자들은 이런 재난이 일어나는 것을 본적이 없다. 그러나 그런 광염( ... solar system is left to itself, true planets with nearly circular orbits, like the Earth, are quite safe. T ...
- 우주여행의 방향은?과학동아 l198901
- the space station, the parts could be brought, out of which new space vessels can be built. The intact vessels could not be lifted off Earth without vast rocketry, but the parts could ve brough ...
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