Lesson 1 A Big Mystery:Why Do We Laugh? 1
Lesson 2 America on Wheels 8
Lesson 3 A Warmer or a Colder Earth? 15
Lesson 4 Bill Gates—Microsoft chairman and chief software architect 20
Lesson 5 Cancer Causes Founded in Lifestyle 26
Lesson 6 Cars Drive Themselves 31
Lesson 7 Clone:The Road to Dolly,and the Path Ahead 36
Lesson 8 Coca-Cola,Chocolate Chip Cookies,and Yellow Sticky Notes 43
Lesson 9 Gene Map Brings Hope 48
Lesson 10 How Nature Breaks Rocks 53
Lesson 11 Inside the World of Dreams 58
Lesson 12 Internal Combustion Engines 71
Lesson 13 Is a Cure for Cancer on the Horizon? 77
Lesson 14 Jupiter and the Outer Planets 83
Lesson 15 Man's Abilities 88
Lesson 16 Mending Faces 94
Lesson 17 Move the Earth—It's No Science Fiction 99
Lesson 18 Neil Alden Armstrong 104
Lesson 19 Science Hero:Philo Taylor Farnsworth 109
Lesson 20 Smart Phones to Emerge 116
Lesson 21 The Migration of Birds 121
Lesson 22 The Pleasure of Books 126
Lesson 23 The Ultimate Machine:The Electronic Computer 132
Lesson 24 Time and the Stars 139
Lesson 25 Why Do We Blink? 144
Lesson 26 Why Is There No Cure for the Cold? 149
Lesson 27 YAHOO!—The history of Yahoo!—how it all started 154
Lesson 28 Yuri Alekseyevich Gagarin 161
Keys to the Exercises 168