Contents 1
1．Survey sniffs out facts about smelling 1
2．Sign-language learning 4
3．Austin man plants flowers to improve roadside views 7
4．Girlsare mentally stronger than boys,says psychologists 9
5．Druid Halloween 13
6．Saving wildlife 14
7．Women's libbers neglect children 17
8．AIDS patients'longevity could lead to blindness 21
9．Trees may deter global warming 24
10．Scientists find food for relaxing thoughts 27
11．Using protons 29
12．Christmas：A Holiday for all seasons 30
13．Astronomers focus on rising of Mars 34
14．Immense string of galaxies reported 37
15．Studying well 39
16．Latchkey kids 41
17．Some Encouraging News About AIDS 43
18．Crude oil prices plummet to 2-year low 45
19．Fraud alleged on content of Titantic safe 48
20．Another blow to the poor 50
21．STRESS 52
22．Elderlycan donate blood,too 56
23．Women with AIDS die faster than men 58
24．Nap break 61
25．Vitamin A 63
26．Smoking deaths 65
27．Chewing gum 67
28．Sleeping pills 68
29．Causes of stroke 69
30．Hot airballooning 72
附录 74