New Scientist Magazine - 3 April 2010


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LOCKEDIUM FESTIVAL HOST LlFETECHIUM �h",l'9i". FOUNDATION AMERICIUM c) �TSI POPULAR SCIENCE€) NDBELIUM EINSTEINIUM "", ...Ii1,i FAMILY FOUNDATION EEmmesGroup RESMED AliGN i6\ ...""'" CI � illumlna' � �=.. LOCKHEED MARTIN SCIENTUlC AMERICAN THANKS TO OUR SPONSORS FARRELL FOUNDATION KRYPTON Agilent Technologies AlEXANDItIA. ----- � Forbes Wolfe PLATINUM .. V�X PAULADIUM NuVasive Inc. K&LIGATES FEICompany Case Western Reserve University I�I Medlmmune � $ pLJW TITANIUM Bechtel Corporation SpaceX FAMU.Y National Radio Astronomy Observatory Bilxter Research in Motion SCIV,. CONTENTS Volume 205 No 2754 NE WS 3 4 COVER STORY EDITORIAL Geoengineering must win our trust Frontiers of the mind UPFRONT Sustainable fish farming, Nan osate llite clears space junk 6 THIS WEEK Who decides when to hack the planet? Runaway The mysteries star sowed seeds of solar system, Co unting of your brain are swine flu's dead, Genetic mask could treat being unravelled wasting muscle, Howthe brain constructs moral ity, Asian pollution goes global 9 IN SIGHT Wh ere wil l US nuclear waste go now that the Yucca mountain plan is scrapped? 12 IN BRIEF Archoeopteryxeyes preferred dark skies, J unk food "addicts" are exactly that. Cover image Bryan Christie T rex had family down under 15 TECHNOLOGY Bionic control for paralysed l i m bs, Pointillistic computer graphics, Google undermines the great fi rewa ll's foundations OPINION 20 All at sea? Exploiting Scotland's tides 38 Moon rivers Well, not quite, but it's a lot wetter is not worth the energy, says Hans van Haren than we thought 20 Searching secrets Even simple web queries cost the Earth, warns James Clarage 21 One minute with ... Francisco Ayala, geneticist and winner of the El million Templeton prize 22 LETTERS Accidental origins, Mi crobes are us 24 Novelist Ian McEwen Why climate change is at the heart of his new book Solar, and why men shouldn't pee at -40·C FEATURES 26 Frontiers of the mind (see right) 34 Really smart cars Vehicles that drive themselves are safer, cleaner and make better use of precious road space - so where are they? 3B Damp side of the moon (see right) Coming n ext week REGULARS Everything, explained 22 ENIGMA O ne si mple i dea at the 42 BOOKS &ARTS Gallery exclusive Stephen Hawking, sketched root of rea lity by a robot artist for New Scientist 43 Reviews Tales of our relationship with insects, Approach happi n ess indirectly, Facts and frauds Warmi ng, not melti ng 4B FEEDBACK It's all gravy "Glacial plumbing" may be protecting 49 THE LAST WORD Moody booze Greenland's ice against the onslaught 44 JOBS & CAREERS of global warming PLUS Trave l desti natio ns with a scie ntific twist USA AUSTRALIA Recruitment Advertising TO SUBSCRIBE Syndication 225 Wyman Street. Tower 2, 475 Victoria Avenue, Tel781 734 8770 Tel 888 822 3242 Tribune Media Services Periodicals postage paid at Walth am, MA 02451 Chatswood, NSW 2067
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