英文报刊科技文章选读PDF电子书下载

Part Ⅰ Energy Resources 能源 3

1．Biofuel:the Burning Question 3

2．Dutch City Kept Warm by Hot-water Mines 7

3．Cost-saving Fuel Systems in Pipeline 9

4．The Enduring Allure of'Clean Coal' 12

5．U.S.-bound Flight from New Zealand to Showcase Ways to Save Time and Fuel 14

6．A Gift From the 70s:Energy Lessons 17

Part Ⅱ Biological Science 生物科技 23

7．Researchers Find Easier Way to Make Stem Cells 23

8．You've Got to Be Flexible to Live in Complex Societies 25

9．Journey to the Center of the Cell 27

10．The Sociable Brain 30

11．A New Reason to Frown 32

Part Ⅲ Information Science 信息科学 39

12．Justifying the Cost of an iPhone 39

13．Internet Companies Embrace Human Rights Guidelines 42

14．Cyber Identity Thieves Can Get Anyone 45

15．Reading This Will Change Your Brain 48

16．A No-Paper Newspaper 51

17．Without Wi-Fi,Mini-computers Not as Magical 54

18．Toys Combine Reality and Cyber Worlds 57

19．High-speed Internet Coming to Africa 61

20．Broadband in the Sky:Surf,but Don't Call 64

21．How Many Web Services Can One Person Use? 68

22．Web Site's Formula for Success:TV Content with Fewer Ads 70

23．A·M·D.'s Results Show Improvement 75

Part Ⅳ Health and Medicare 健康医疗 81

24．The Trouble with'Healthy'Kid Foods 81

25．Placebos Don't Make Ethicists Feel Better 84

26．Gastric Bypass Surgery Less Helpful for Diabetics 87

27．Nerves Tangle,and Back Pain Becomes a Toothache 91

28．12 Diseases That Altered History 95

29．Turning Out the Lights 99

30．Choosy Mothers Choose Caesareans 103

31．HIV Epidemic in U.S.a Crisis,Health Officials Say 106

32．Kefirs Nutritious,but Larger Health Claims Are on Shakier Ground 109

33．Kids Aren't Getting Enough Vitamin D 112

34．Cheaper Drug Prevents H.I.V.in Newborns,Study Shows 115

35．Vitamin C May Interfere with Cancer Treatment 117

36．Concerns about Chemical in Plastics 119

37．Pediatricians:Kids from Newborns to Teens Should Get Double Recommended Amount of Vitamin D 122

38．Health Officials Fear Spread of Lung-destroying Pneumonia 125

39．Speaking without Sound 129

Part Ⅴ Environmental Protection 环境保护 133

40．A Last Warning on Global Warming 133

41．Is Global Warming Worsening Hurricanes? 135

42．Warming Waters Driving Arctic Ice Retreat 138

43．Beyond Carbon:Scientists Worry about Nitrogen's Effects 141

44．Arctic Ocean Ice Retreats Less than Last Year 145

45．Federal Inpuiry Could Delay Clean-trucks Program at Ports 147

46．Gas Guzzlers 150

47．Study:Smog Chops 2 Months off Mexicans'Lives 153

48．Will the Environment Lose Out to the Economy? 156

49．The Bad News about Green Architecture 160

50．State Warms to Greenhouse Gas Emissions Plan 165

51．Sharing the Catch Is Good for Fishermen and Fish-Study Shows 168

52．10 Ways Global Warming Could Hurt Your Health 172

53．Potential Environmental Risks Aren't Part of Chemical Engineers'Training 175

Part Ⅵ Astronomy and Geography 天文地理 181

54．New Mercury Images Show Volcanoes,Magnetic Field,More 181

55．A Maybe Planet,Orbiting Its Maybe Sun 184

56．Like a Rolling Sun? 186

Part Ⅶ Natural Science 自然科学 191

57．Giant"Sea Monster"Fossil Discovered in Arctic 191

58．How Brachiosaurs Got So Huge 194

59．A California Frog May be about to Get Room to Stretch its Red Legs 197

60．Building Faux Habitat to Lure the Cactus Wren 199

61．Dinosaur Graveyard Found in Southeast Utah 203

62．Does This Explain Muskrat Love? 206

63．Alaska Beluga Whales Put on Endangered List 210

64．Plants Make Their Own Version of Aspirin,Researchers Find 213

65．Full Moon Makes Birds Extra Energetic 215

66．Near New York Harbor,the Song of Whales 218

67．Dogs Can'Catch'Yawns from Humans,Study Finds 220

68．Mysteries of Memory 223

69．Fingerprint Test Tells What a Person Has Touched 226

70．How Did Life on Earth Get Started? 229

Part Ⅷ Life and Work 生活与工作 235

71．A Biological Clock for Dads Too 235

72．The Science of Happiness 238

73．Nine Ways to Avoid Household Toxins 243

74．Signs of a Long Life 247

75．Would You Like Those Headphones Leaded or Unleaded? 251

76．Tough-times Challenge:Keeping Workers Happy 254

77．Low-sodium Products Are on the Rise 259

78．Intuition and Math:A Powerful Correlation 263

79．Instead of Eating to Diet,They're Eating to Enjoy 267

80．The Car of the Future 271

81．Cold and Lonely Has a Scientific Basis 274

82．Surfing the Internet Boosts Aging Brains 276

83．Dread Makes Memories Stronger 278

84．Love and Infidelity:How Our Brains Keep Us from Straying 281

85．Love,Sex and the Changing Landscape of Infidelity 284