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WorldCat.org

 &lt;h3&gt;Contents&lt;/h3&gt; &lt;pre&gt; List of Illustrations......................................................viii Preface....................................................................xi 1. Is Anybody Out There?...................................................1 What if ET calls tomorrow?.................................................1 Is SETI stuck in a rut?....................................................5 It's great - but is it science?............................................10 A brief history of aliens..................................................13 Life among the stars.......................................................17 And finally, what about all those UFO stories?.............................19 2. Life: Freak Side-Show or Cosmic Imperative?.............................24 A universe teeming with life?..............................................24 How did life begin?........................................................26 Life as a bizarre fluke....................................................31 Making life in a test tube.................................................36 Seeking a second genesis on Mars...........................................37 3. A Shadow Biosphere......................................................42 Seeking a second genesis on Earth..........................................42 Weird extremophiles........................................................47 Aliens among us............................................................51 How to tell a root from a branch...........................................55 Has shadow life already been found?........................................60 Targeting the shadow world.................................................63 4. How Much Intelligence is Out There?.....................................66 Planet of the Apes fallacy.................................................66 Is science inevitable?.....................................................72 The Drake equation.........................................................77 How long do technological civilizations last?..............................80 The perils of using statistics of one......................................83 The Great Filter...........................................................86 Are we doomed?.............................................................90 5. New SETI: Widening the Search...........................................93 They don't know we are here................................................93 Beyond the photon..........................................................96 Beacons....................................................................98 Narrowing the search.......................................................102 A message on our doorstep..................................................106 Nanoprobes, viral messengers and gerrymandered genomes.....................109 6. Evidence for a Galactic Diaspora........................................116 Where is everybody?........................................................116 And where are all the time tourists?.......................................121 A cosmic footprint.........................................................122 Riding the wave............................................................126 Did the wave pass this way?................................................130 One of our planets is missing..............................................133 Absent exotica.............................................................135 7. Alien Magic.............................................................140 Signatures of distant super-technology.....................................140 Technology as 'nature-plus'................................................143 Fantastic super-science....................................................147 Flaws in the laws..........................................................149 8. Post-Biological Intelligence............................................153 Close encounters of the absurd kind........................................153 Artificial intelligence....................................................156 I've seen ET, and it's an ATS..............................................161 Quantum computers and quantum minds........................................163 9. First Contact...........................................................169 The Post-Detection Taskgroup...............................................169 Media frenzy...............................................................172 The blanket of silence fallacy.............................................175 'It's official - we are not alone!'........................................178 Intercepting interstellar e-mail...........................................180 Secrets from the stars.....................................................182 Impact on science, philosophy and politics.................................185 Impact on religion.........................................................188 Of gods and men. Is SETI itself a religion?................................193 10. Who Speaks for Earth?..................................................196 Shouting at the heavens....................................................196 What should we say?........................................................199 Why do SETI?...............................................................204 Might we be alone after all? The three-hats answer.........................207 Appendix: A Brief History of SETI..........................................209 Bibliography...............................................................211 Notes......................................................................213 Index......................................................................231  &lt;/pre&gt;

1 online resource (xiii, 241, [4] pages) : illustrations (some color)

In this mind-expanding book, Paul Davies, astrobiologist and chairman of the SETI Post-Detection Taskgroup and, refocuses the search, challenging existing ideas of what form an alien intelligence might take, how it might try to communicate with us, and how we should respond if it does

The eerie silence : renewing our search for alien intelligence