Prologue1 THE MISSING UNIVERSE We can only account for 4 percent of the cosmos2 THE PIONEER ANOMALY Two spacecraft are flouting the laws of physics3 VARYING CONSTANTS Destabilizing our view of the universe4 COLD FUSION Nuclear energy without the drama5 LIFE Are you more than just a bag of chemicals?6 VIKING NASA scientists found evidence for life on Mars. Then they changed their minds.7 THE WOW! SIGNAL Has ET already been in touch?8 A GIANT VIRUS It's a freak that could rewrite the story of life9 DEATH Evolution's problem with self-destruction10 SEX There are better ways to reproduce11 FREE WILL Your decisions are not your own12 THE PLACEBO EFFECT Who's being deceived?13 HOMEOPATHY It's patently absurd, so why won't it go away?Epilogue Acknowledgments Notes And Sources Index