d라이브러리
"today"(으)로 총 48건 검색되었습니다.
- 두 사람과학동아 l1990년 03호
- 호모 사피엔스의 두 주요 변종이 지구위에 있었고 1989년 12월에 이 둘이 유럽에서 한동안 공존했을지도 모름을 보여주는 증거가 드러났다.첫번째 종 ... technology wiped out Neanderthal man, but there is also the possibility of interbreeding. With the evidence avail ...
- 하드디스크도 파괴하는 컴퓨터바이러스 완전 퇴치법과학동아 l1990년 02호
- 외에도 일요일 바이러스 내부에는 어처구니 없게도 다음과 같은 메시지가 포함되어 있다.Today is Sunday! Why do you work so hard?All work and no play make you a dull boy!Come on! Let's go out and have some fun!오늘은 일요일! 왜 그렇게 열심히 일만 하지 ...
- 지구가 너무 덥고 추웠을 때 When The Earth Was Too Hot and Too Cold과학동아 l1990년 01호
- in life, too, and with many continents there is more ocean-rim than there was with just one super-continent. So life today is better off… if only we don't do anything to ruin thing.(C) 1989, Lo ...
- 대 해빙과학동아 l1989년 12호
- that were was a period, 11,000 years ago, when the Gulf of Mexico contained water that was much less salty than it is today. he suggested that the ice-sheets had undergone a sudden melting and ...
- 녹색 식물의 탄생 How Green Plants Began?과학동아 l1989년 09호
- chloroplasts were once bacterial cells that specialized in the use of sunlight for energy. Such organisms still exist today and are celled "cyanobacteria."In one respect, thought, cyanobacteri ...
- 지하생활과학동아 l1989년 07호
- dwellers beneath would see more greenery, under ecologically healthier conditions, than dwellers of surface cities do today.And remember, as one more point, that in an underground world of perp ...
- 유전자 연구계획과학동아 l1989년 05호
- That's a lot of information, but, then, a complete knowledge of the human body requires a lot of information.Even today, only about a thousandth of the nucleotides have been placed in order bu ...
- 최초의 언어과학동아 l1989년 03호
- manner in which languages changed with time were worked out by, among others, the Grimm brothers, who are better known today for the fairy tales they collected.There are other language families ...
- 최고(最古)의 날짐승과학동아 l1988년 08호
- the forelimbs and the tail but it is very doubtful that the archaeopteryx could fly in the modern sense. Flying birds today all have a keel on the breastbone to which all have flying muscles ar ...
- 알기 어려운 쿼크과학동아 l1988년 04호
- Greeks, thinkers have been trying to answer the question: What are the basic objects making up the universe?Scientists today are still trying to answer this but the last bit of information cont ...
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