Lesson 1 Finding fossil man 1
Lesson 2 Spare that spider 6
Lesson 3 Matterhorn man 9
Lesson 4 Seeing hands 15
Lesson 5 Youth 18
Lesson 6 The sporting spirit 24
Lesson 7 Bats 30
Lesson 8 Trading standards 35
Lesson 9 Royal espionage 41
Lesson 10 Silicon valley 47
Lesson 11 How to grow old 52
Lesson 12 Banks and their customers 57
Lesson 13 The search for oil 62
Lesson 14 The Butterfly Effect 66
Lesson 15 Secrecy in industry 71
Lesson 16 The modern city 75
Lesson 17 A man-made disease 83
Lesson 18 Porpoises 90
Lesson 19 The stuff of dreams 95
Lesson 20 Snake poison 100
Lesson 21 William S.Hart and the early‘Western’film 105
Lesson 22 Knowledge and progress 111
Lesson 23 Bird flight 116
Lesson 24 Beauty 121
Lesson 25 Non-auditory effects of noise 127
Lesson 26 The past life of the earth 132
Lesson 27 The‘Vasa’ 136
Lesson 28 Patients and doctors 143
Lesson 29 The hovercraft 147
Lesson 30 Exploring the sea-floor 150
Lesson 31 The sculptor speaks 155
Lesson 32 Galileo reborn 159
Lesson 33 Education 166
Lesson 34 Adolescence 171
Lesson 35 Space odyssey 176
Lesson 36 The cost of government 180
Lesson 37 The process of ageing 185
Lesson 38 Water and the traveler 190
Lesson 39 What every writer wants 194
Lesson 40 Waves 199
Lesson 41 Training elephants 205
Lesson 42 Recording an earthquake 211
Lesson 43 Are there strangers in space? 214
Lesson 44 Patterns of culture 218
Lesson 45 Of men and galaxies 225
Lesson 46 Hobbies 229
Lesson 47 The great escape 235
Lesson 48 Planning a share portfolio 241
附录 词汇连连看答案 246