Papouseks light display was placed directly in front of the babies and he made the interesting observation that sometimes they would not turn back to watch the lights closely although they would smile and bubble(发出咯咯声) when the display came on. Papousek concluded that it was not primarily the sight of the lights which pleased them, it was the success they were achieving in solving the problem, in mastering the skill, and that there exists a fundamental human urge to make sense of the world and bring it under intentional control.
Passage Three
A breakthrough(突破)in the provision of energy from the sun for European Economic Community could be brought forward by up to two decades, if a modest increase could be provided in the EECs research effort in this field, according to the senior EEC scientists engaged in experiments in solar energy at EECs scientific laboratories at Ispra, near Milan.
The senior West German scientist in charge of the Communitys solar energy program, Mr. Joachim Gretz, told journalists that at present levels of research spending it was most unlikely that solar energy would provide as much as 3% of the Communitys energy requirements even after the year 2000. But he said that with a modest increase in the present sums, devoted by the EEC to this work it was possible that the breakthrough could be achieved by the end of the next decade.
Mr. Gretz calculates that if solar energy only provided 3% of the EECs needs, this could still produce a saving of about a billion pounds in the present bill for imported energy each year. And he believes that with the possibility of utilizing more advanced technology in this field it
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