1.The Workhouse

2.Computerized Air-Traffic Control

3.Health

4.Birth of Nike Footwear

5.They Created Jet Age

6.The Economic Role of the Government:What Should the Government Do?

7.The Professor,the University and Industry

8.Gorilla Is Not as Mean as It Looks

9.Acid Rain:What's the Solution?

10.Florence Nightingale

11.Antarctic Exploration

12.Black Holes

13.A Talk About Careers with an Airline

14.Life Without Fuel

15.Jefferson Today

16.Why I Love Wisconsin

17.Across The Sea of Stars

18.Twins,Genes,And Environment

19.The Death of a Lone Oak

20.Before Opening Night

21.The World's Garbage Crisis:Is Recycling the Answer?

22.Deck The Tree With Lots of Money,It's Christmas Time

23.Good Food,Good Shows:America's Dinner Theaters

24.Dance of the Electronic Bee

25.Why Are You Laughing?

26.A Case of Suspicion

27.My Friend,Albert Einstein

28.Four Generations

29.The Risk of Climate Change Is Genuine and Serious

30.Blue Jeans

31.A Scientist Looks at Tomorrow

32.You Need More Than a Typewriter

33.Most Popular Characters

34.Pressing the Flesh Online

35.Nature,Nurture and a Pinch of Salt

36.The Earth Will Don an Electronic Skin

37.The Perils of the Biotech Century

38.Physicist Albert Einstein

39.All Change for the E-lance Economy

40.The Staggering Giants

41.The Internet in The Future

42.Under the Weather

43.Smart Phones

Answer Keys