Lesson 1 Finding fossil man 1
Lesson 2 Spare that spider 3
Lesson 3 Matterhorn man 5
Lesson 4 Seeing hands 7
Lesson 5 Youth 10
Lesson 6 The sporting spirit 13
Lesson 7 Bats 16
Lesson 8 Trading standards 19
Lesson 9 Royal espionage 22
Lesson 10 Silicon valley 25
Lesson 11 How to grow old 27
Lesson 12 Banks and their customers 30
Lesson 13 The search for oil 33
Lesson 14 The Butterfly Effect 35
Lesson 15 Secrecy in industry 38
Lesson 16 The modern city 41
Lesson 17 A man-made disease 44
Lesson 18 Porpoises 47
Lesson 19 The stuff of dreams 50
Lesson 20 Snake poison 53
Lesson 21 Williams S.Hart and the early'Western'film 56
Lesson 22 Knowledge and progress 59
Lesson 23 Bird flight 62
Lesson 24 Beauty 65
Lesson 25 Non-auditory effects of noise 68
Lesson 26 The past life of the earth 71
Lesson 27 The"Vasa" 73
Lesson 28 Patients and doctors 75
Lesson 29 The hovercraft 78
Lesson 30 Exploring the sea-floor 81
Lesson 31 The sculptor speaks 84
Lesson 32 Galileo reborn 87
Lesson 33 Education 90
Lesson 34 Adolescence 93
Lesson 35 Space odyssey 95
Lesson 36 The cost of government 98
Lesson 37 The process of aging 101
Lesson 38 Water and the traveller 103
Lesson 39 What every writer wants 106
Lesson 40 Waves 109
Lesson 41 Training elephants 112
Lesson 42 Recording an earthquake 115
Lesson 43 Are there strangers in space? 117
Lesson 44 Patterns of culture 119
Lesson 45 Of men and galaxies 121
Lesson 46 Hobbies 122
Lesson 47 The great escape 125
Lesson 48 Planning a share portfolio 128
参考答案 130