Part 1
Unit 1 1
Lesson 1 Finding fossil man发现化石人 1
Lesson 2 Spare that spider不要伤害蜘蛛 11
Lesson 3 Matterhorn man马特霍恩山区人 20
Lesson 4 Seeing hands能看见东西的手 30
Lesson 5 Youth青年 38
Lesson 6 The sporting spirit体育的精神 49
Lesson 7 Bats蝙蝠 59
Lesson 8 Trading standards贸易标准 68
Unit 2 76
Lesson 9 Royal espionage王室谍报活动 76
Lesson 10 Silicon valley硅谷 86
Lesson 11 How to grow old如何安度晚年 96
Lesson 12 Banks and their customers银行和顾客 103
Lesson 13 The search for oil探寻石油 113
Lesson 14 The Butterfly Effect蝴蝶效应 121
Lesson 15 Secrecy in industry工业中的秘密 131
Lesson 16 The modern city现代城市 140
Unit 3 150
Lesson 17 A man-made disease人为的疾病 150
Lesson 18 Porpoises海豚 162
Lesson 19 The stuff of dreams话说梦的本质 173
Lesson 20 Snake poison蛇 182
Lesson 21 Williams S.Hart and the early"Western"film威廉·S·哈特和早期的“西部”影片 193
Lesson 22 Knowledge and progress知识和进步 204
Lesson 23 Gird flight鸟的飞行方法 214
Lesson 24 Beauty美 224
Part 2
Unit 4 234
Lesson 25 Non-auditory effects of noise噪音的非听觉效应 234
Lesson 26 The past life of the earth地球上的昔日生命 245
Lesson 27 The“Vasa”“瓦萨”号 254
Lesson 28 Patients and doctors病人与医生 264
Lesson 29 The hovercraft气垫船 275
Lesson 30 exploring the sea-floor海底勘探 283
Lesson 31 The sculptor speaks雕塑家的语言 292
Lesson 32 Galileo reborn伽利略的复生 300
Unit 5 310
Lesson 33 Education教育 310
Lesson 34 Adolescence青春期 320
Lesson 35 Space odyssey太空探索 330
Lesson 36 The cost of government政府的开支 338
Lesson 37 The process of ageing衰老过程 347
Lesson 38 Water and the traveller水和旅行者 357
Lesson 39 What every writer wants作家之所需 366
Lesson 40 Waves海浪 377
Unit 6 385
Lesson 41 Training elephants训练大象 385
Lesson 42 Recording an earthquake记录地震 395
Lesson 43 Are there strangers in space？宇宙中有外星人吗？ 404
Lesson 44 Patterns of culture文化的模式 414
Lesson 45 Of men and galaxies人和星系 425
Lesson 46 Hobbies业余爱好 434
Lesson 47 The great escape大逃亡 445
Lesson 48 Planning a share portfolio规划股份投资 457