Table of Contents

Unit 1: The Body in Motion READING 1 A Natural Way to Run READING 2 The Runner's High Unit 2: Time READING 1 Spring Forward, Fall Back READING 2 In Search of an Accurate Calendar Unit 3: Water READING 1 Drinking Water READING 2 The Bottled-Water Debate Unit 4: Travel READING 1 Extreme Diving READING 2 Disaster Tourism Unit 5: Animal-Human Relationships READING 1 Humans and Cattle: A Shared History READING 2 Taming the Wild Unit 6: Architecture READING 1 Safer Homes in Earthquake Zones READING 2 Urban Architecture in the 21st Century Unit 7: Genetics and the Environment READING 1 Sibling Personalities READING 2 Epigenetics Unit 8: Inventions READING 1 The Golden Age of Islamic Invention READING 2 Origami: The Practical Applications of a Familiar Art Unit 9: Robotics READING 1 Robots to the Rescue READING 2 Humanoids

About the Author

Jessica Williams is an author, teacher, and teacher trainer. She was a professor of Applied Linguistics for more than 30 years at the University of Illinois at Chicago, where she prepared hundreds of students for classroom teaching. She is the author or co-author of more than fifteen textbooks as well as digital ELT materials.