Unit 1 1
Text The Black Tulip 1
Extensive Reading 13
Passage One The Boarded Window 13
Passage Two Shark Attack on Land 19
Unit 2 24
Text The Science of a Happy Marriage 24
Extensive Reading 38
Passage One I Will Wait for You 38
Passage Two Love around the World 43
Unit 3 50
Text Hong Kong:It's Back! 50
Extensive Reading 65
Passage One Economist 65
Passage Two Will We Be Richer than Our Kids? 74
Unit 4 78
Text What Are Little Boys Made Of? 78
Extensive Reading 89
Passage One Demystifying Stem Cells 89
Passage Two Theory of Sexual Selection Needs Updating 95
Unit 5 100
Text Advice to Youth 100
Extensive Reading 112
Passage One Teaching Teachers 112
Passage Two SUNY—The State University of New York 116
Unit 6 120
Text Science and War 120
Extensive Reading 133
Passage One Stuck in the Middle 133
Passage Two The Singles Business 136
Unit 7 141
Text Mazes 141
Extensive Reading 155
Passage One How Aliens Travel Great Distances Through Space 155
Passage Two Are We Alone in the Universe? 159
Unit 8 164
Text What If Einstein Had Been a Better Violinist? 164
Extensive Reading 179
Passage One The Man Who Saved Your Life—Maurice R.Hilleman 179
Passage Two Walt Disney 183
Unit 9 189
Text Characterization of Distributed Systems 189
Extensive Reading 203
Passage One Come Fly with Me 203
Passage Two Come Together,Right Now 208
Unit 10 213
Text A Need for Full Awareness of Planet's Fragility 213
Extensive Reading 225
Passage One 2004,Tsunami in South-east Asia 225
Passage Two An American Tragedy—The Nightmare After Katrina 229