1. Dolphin Language May Have Grammar
2. Sad Movies Help Reduce Pain
3. Vegetable Gardens Tested for Mars
4. Dogs Dream about Their Owners, Says Scientists
5. No Putting on Makeup on Trains, Says Rail Company
Review. Unit 1-5
6. Why Do Children Go to School?
7. People Who Read Live Longer
8. Italian Town to Use Silent Fireworks for Stressed Dogs
9. Company Pays Its Worker to Sleep
10. Men Developed Deep Voices to Scare Other Men
Review. Unit 6-10
11. New Store Lets You Shop, Walk Out and Pay Later
12. Doctors Say Hospitals Should Ban Perfumes
13. More and More 70-Year-Olds Working
14. Scientists Make Self-Repairing Clothes
15. Mothers Get Less Sleep than Fathers
16. Zealandia-The Eighth Continent?
Review. Unit 11-16
