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- 먼지의 영향과학동아 l1993년 04호
- fields or even when cars drive on unpaved roads.Excessive atmospheric dust, like that from volcanoes, may temporarily mask the greenhouse effect. It can also accumulate destructive chemicals an ...
- 아주 높이 있는 먼지과학동아 l1993년 04호
- out most of the evidence here.At first Earth must have been surrounded by such a dust-laden atmosphere that life was inhibited, but organic compounds (not life) had been delivered to Earth in t ...
- 체온저하증과학동아 l1993년 01호
- they won't freeze.While the nervous systems of many animals control thermoregulation, little Paramecium caudatum has no nervous system. Gary M. Malving and Stephen C. Wood, at the Lovelace Medi ...
- 낮과 밤의 리듬과학동아 l1993년 01호
- under again, but that brief time is enough. When farmers plow at night, even under artificial lighting, only half as many weeds germinate.So perhaps it's best to pay attention to light-dark rhy ...
- '파이어니어'와의 안녕과학동아 l1992년 12호
- away the evidence of much of what happens to our planet's surface. On Venus, We can detect what the surface is and was like, and how the strange Venusian atmosphere affects it.(C) 1992, Los Ang ...
- 맨틀과 핵과학동아 l1992년 12호
- but a temporary(well, 40 million years' worth) stabilization of Earth's magnetic field polarity. Super-plumes may increase the rate of movement in the liquid outer core, altering the force of t ...
- Out Of The Sun 태양으로부터과학동아 l1992년 11호
- the universe-how will it end? Umpteen megabillions of slightly "weighty" neutrinos would provide enough "critical mass" in the universe to ensure its eventual collapse.Then the whole Big Bang s ...
- Frog-And More In Space 우주공간에서의 개구리과학동아 l1992년 11호
- 우주공간에서 올챙이라니! 우주왕복선 엔데버호의 궤도상에서 두마리의 아프리카산 발톱달린 개구리들이 배란을 해 6백여개의 알들이 수정됐다. 그중 절반 가량은 인공적 ... Thu Tang, who found the Permian markings to be similar to the tracks made on underwater sand by modern new ...
- 블랙 홀 탱고과학동아 l1992년 10호
- going on with those dancing duos, or with those amazing galactic cores that dance with many stars, the astronomers and astrophysicists are hard at work to find the truth. In the meantime ...
- 더 많은 복제과학동아 l1992년 10호
- which scientists showed their favorite forms of artificial life.Someday soon, perhaps, scientists of all these persuasions will combine synthetic chemical "life" with computer "life" to produce ...
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