Lesson 20 Man,the Unknown 人类神秘的巨人 In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected. Modern industry is based on the conception of th...
Lesson 21 Science Makes Sense 知识源于科学 In the early days of the settlement of Australia, enterprising settlers unwisely introduced the European rabbit. This rabbit had no natural enemies in the Antipodes, so that it multiplied with that pro...
Lesson 22 Window in the Sea 海洋之窗 There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation. Marine Studio bio...
Lesson 23 The Stuff of Dreams 说梦话的本质 It is fairly clear that the sleeping period must have some function, and because there is so much of it the function would seem to be important. Speculations about its nature have been going on for lit...
Lesson 24 Going Out for a Walk外出散步 Walking for walking's sake may be as highly laudable and exemplary a thing as it is held to be by those who practise it. My objection to it is that it stops the brain. Many a man has professed to me that his...
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Lesson 27 The Personality of Man 人的性格 Why does the idea of progress loom so large in the modern world ? Surely because progress of a particular kind is actually taking place around us and is becoming more and more manifest. Although mankind h...
Lesson 28 Countryman's Creed 乡下人的信条 No two sorts of birds practise quite the same sort of flight; the varieties are infinite, but two classes may be roughly seen. Any ship that crosses the pacific is accompanied for many days by the small...
Lesson 29 Pieces of Mind 思想片断 A young man sees a sunset and, unable to understand or to express the emotion that it rouses in him, concludes that it must be the gateway to a world that lies beyond. It is difficult for any of us in moments of...
Lesson 30 Adventures of Ideas 大胆的想法 Each civilization is born, it culminates, and it decays. There is a widespread estimony that this ominous fact is due to inherent biological defects in the crowded life of cities. Now, slowly and at first...
Lesson 31 Non-auditory Effects of Noise 噪音的非听觉效应 Many people in industry and the Services, who have practical experience of noise, regard any investigation of this question as a waste of time; they are not prepared even to admit the p...
Lesson 32 The Past Life of the Earth 古代地球上的生命 It is animals and plants which lived in or near water whose remains are most likely to be preserved, for one of the necessary conditions of preservation is quick burial, and it is only in...
Lesson 33 The Raising of the Vasa 瓦萨号出水 From the seventeenth-century empire of Sweden, the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest tales of the sea. For nearly three and a half cen...
Lesson 34 Patients and Doctors 病人与大夫 This is a sceptical age, but although our faith in many of the things in which our forefathers fervently believed has weakened, our confidence in the curative properties of the bottle of medicine remains...
Lesson 35 The Pegasus Book of Inventors 发明者的灵感 Many strange new means of transport have been developed in our century, the strangest of them being perhaps the hovercraft. In 1953, a former electronics engineer in his fifties, Christopher...
