1．Folding Machine Gun 1
2．Mystery of the Missing Snak 3
3．Father Seahorse Gives Birth to Babies 5
4．Super Ears for Elephants 7
5．Sea Lions Eat Stones 10
6．Battling Bacteria Take On the Egg 13
7．It's Okay to Cry 15
8．Curing Heart Attack 18
9．The Dog with Two Hearts 21
10．Volleyball Star Hyman's Death 23
11．Sphygmomanometer—Measuring Blood Pressure 26
12．Science Shorts 29
13．How a Refrigerator Keeps Its Cool 32
14．Capturing Light—With Fiber Optics 35
15．Preserving Food with Radiation 39
16．Genetic Wonders 42
17．Why Fabrics Crease and Wrinkle 45
18．"Black Box"—Flight Recorder 48
19．What's New in Contact Lenses? 51
20．Detergents 56
21．Indoor Air Pollution 60
22．Is Acid Rain Washing Away Our Heritage? 65
23．Cameroon's Cloud of Death 71
24．The Roots of Famine 76
25．Too Many Vitamins Can Be Bad 80
26．Pains and Needles 86
27．Liver Transplants—Big News! 90
28．Bones Up on Basic Nutrition 95
29．How Swimmers Learned to Fly 99
30．Blowing Down a Skyscraper in 10 Seconds 104
31．Banking on Seeds 110
32．Controlling Pests with an Insect Army 114
33．Animal Marriage 119
34．Forest Firesin the U.S 123
35．Our Future in Space 129
36．Pandas—Here Today,Gone Tomorrow? 133
37．Safety Questions Tie Up Genetic Engineering 139
38．What Is Artifieial Intelligence? 144
39．Robot Sub Discovers Titanic 150
40．Dinosaur-Size Robot with Laser Eyes 156
41．AIDS—A Challenge to Science 161
42．The Science of Fighting Fires 167
43．Population Growth and Birth Control 175
44．Sick in Space 177
45．The Chernobyl Nuelear Accident 182
46．Identifying a War Criminal 188
47．Superconductors Are Revolutionary 193
48．A Healthy Dose of Laughter 198
49．Food and Cancer 204
50．Inside the Recording Studio 210
51．Science Quiz 217
Notes 226