Unit 1 The Beauty of Norway ๆชๅจไน็พ Unit 2 Protecting Africaโs Beauty ไฟ่ญท้ๆดฒ่ช็ถ็พๆฏ Unit 3 Colder Is Better in Quebec City ้ญๅๅ ๅธ๏ผๆๅทๆ็ฑ้ฌง Unit 4 Cologne: A Cultural Capital ๅพทๅๆๅไน้ฝ๏ผ็ง้ Unit 5 Finding Happiness in Denmark ไธน้บฅ๏ผ็ผๅฑ็ถ ่ฝ็ๅนธ็ฆๅๅบฆ Unit 6 Life in a Frozen Land ็ฝ่ฒๅคงๅฐ็ๆฉ็็ถ Unit 7 The Benefits of Conserving Water ็ๆฐดๅฅฝ่ๅค Unit 8 Nitrogen Footprint ่ขซ้บๅฟ็้ ธ้จๅนซๅ ใๆฐฎ่ถณ่ทกใ Unit 9 The War against Food Waste ็ต็ตๅฉ้ฃๅคงไฝๆฐ Unit 10 The Empire of the Incas ๅฐๅ ๅธๅ Unit 11 The Railway in Taiwan ๅฐ็ฃ้ต่ทฏๅฒ Unit 12 Japanโs National Flowers ๆฅๆฌๅ่ฑ Unit 13 Homestay Etiquette ๅฏๅฎฟ็ฆฎๅ Unit 14 To Tip, or Not to Tip? ๆน่ฎไธญ็็พๅๅฐ่ฒปๆๅ Unit 15 The Importance of Moderation ้ฉๅบฆ็้่ฆๆง Unit 16 The Secrets of Yoga ็็็็ฅๅฏ Unit 17 Therapy Dogs ็้ซ็ Unit 18 Is MSG Actually Bad for You? ๅณ็ฒพๆๅฎณๅฅๅบท๏ผ Unit 19 A Red Light for Coffee ๅๅก็ด ็ถ ็ Unit 20 The First Ferris Wheel ๆตชๆผซๆฉๅคฉ่ผช Unit 21 Toy Collectors ็ฉๅ ทๆถ่ๅฎถ Unit 22 E-book Library ้ปๅญๆธๅๆธ้คจ Unit 23 Fingerboarding: Skating at Your Fingertips ๆๆๆปๆฟ๏ผๆๅฐไธ็ๆฅต้้ๅ Unit 24 Bored? Play a Tabletop Game ็ก่ๅ๏ผไพ็ฉๆก้ๅง Unit 25 Idioms from Greek Mythology ๆบ่ชๅธ่็ฅ่ฉฑ็่ฑๆๆ่ช Unit 26 The Benefits of Speaking a Second Language ๅญธ็ฌฌไบ่ช่จ่ฎไฝ ่ฎ่ฐๆ๏ผ Unit 27 Watching Your Words: The Issue of Political Correctness ๆฟๆฒปๆญฃ็ขบ่ช่จ๏ผไฝ ็จๅฐไบๅ๏ผ Unit 28 Tips for Remembering What You've Learned ๅนซๅฉ่จๆถ็่จฃ็ซ Unit 29 Old Metals Become New Medals ๆฑไบฌๅฅง้ๅฐๅปข้ๅฑฌ่ฎๆ็็ Unit 30 Olympics Out of the Ordinary ๅคๆชๅฅง้่ณฝไบไธ็ฑฎ็ญ Unit 31 Working Out the Truth about Exercise Myths ็ผๆ้ๅ่ฟทๆ็็็ธ Unit 32 Ingestible Origami Robot ๅพฎๅๆบ็ดๆฉๅจไบบ Unit 33 The New Buzz about Robot Bees ๆฉๅจไบบ่่ๆฐ่ฉฑ้ก Unit 34 Smartphone Snoopers ๆบๆ งๅๆๆฉๆญฃๅจ็ฃ่ฝไฝ ๏ผ Unit 35 Driverless Cars: Steering Us in a New Direction ่ชๅ้ง้ง่ป้งๅๆฐๆชไพ