Unit One UFOs—A Second Look 1
Unit Two Hidden Dangers of Over the Counter Drugs 13
Unit Three Terror on an Empty Road 24
Unit Four Tiny Sacrifices at 22,000 Feet 38
Unit Five Who Is Jack Kevorkian,Really? 49
Unit Six Seeds of Carnage 62
Unit Seven Twilight Mysteries 72
Unit Eight What s the Difference Between Boys and Girls? 82
Unit Nine Who s Gulty? 94
Unit Ten Champion of the Chimps 107
Unit Eleven Many Bet the Farm on Auctions on the Internet 117
Unit Twelve Too Hot to Handle 131
Unit Thirteen JFK Jr. s Final Journey 144
Unit Fourteen Mix n Match 157
Unit Fifteen The Future of the Phone 171
Unit Sixteen The World Turns Gray 184
Unit Seventeen Coyote Inc. 200
Unit Eighteen Is the Earth Alive? 214
Unit Nineteen Can Hackers Be Stopped? 230
Unit Twenty The Dark 244
Key to the Exercises 265