Scientific American Contents, April 2013 Volume 308 Number 4, pp 6 - 92

TABLE OF CONTENTS April 2013 Volume 308, Issue 4 From the Editor Letters Science Agenda Forum Advances The Science of Health TechnoFiles Features Reviews and Recommendations Skeptic Anti Gravity 50, 100 and 150 Years Ago Graphic Science Recommend to your library Web feed Available online only Subscribe Advertisement Scientific American Recommend to your library for online access Scientific American provides you with an overview of the latest in science and technology. Covering everything from medical research and hypertension to global climate change and evolution, Scientific American offers researchers, students, educators an online scientific resource they can rely on. Recommend site license access to your library today! From the Editor Top A New Agenda   p6 Mariette DiChristina doi:10.1038/scientificamerican0413-6 Letters Top Letters   pp8 - 10 doi:10.1038/scientificamerican0413-8 Science Agenda Top The Spies above Your Backyard   p12 doi:10.1038/scientificamerican0413-12 Forum Top The People's Standoff   p14 Guobin Yang doi:10.1038/scientificamerican0413-14 Advances Top Unraveling a Magellanic Mystery   p16 Ken Croswell doi:10.1038/scientificamerican0413-16 Medieval and Modern   p19 Carrie Arnold doi:10.1038/scientificamerican0413-19a Patent Watch   p19 Marissa Fessenden doi:10.1038/scientificamerican0413-19b "Doc, I'm off My Diet. LOL"   p20 Lucas Laursen doi:10.1038/scientificamerican0413-20a Of Lust and Lysol   p20 Rebecca Coffey doi:10.1038/scientificamerican0413-20b Extremely High and Incredibly Cold   p22 Marissa Fessenden doi:10.1038/scientificamerican0413-22a Better, Cheaper, Smaller   p22 David Biello doi:10.1038/scientificamerican0413-22b Dung Beetles Follow the Stars   p24 Katherine Harmon doi:10.1038/scientificamerican0413-24a Scrappy Pets   p24 Kate Wong doi:10.1038/scientificamerican0413-24b Wanted: New Worlds beyond Pluto   p25 Ken Croswell doi:10.1038/scientificamerican0413-25a Traces of Cancer   p25 William Ferguson doi:10.1038/scientificamerican0413-25b Let the Sunshine In   p26 David Biello doi:10.1038/scientificamerican0413-26 Twitching to Talk   p27 Larry Greenemeier doi:10.1038/scientificamerican0413-27 What Is It?   p28 Becky Crew doi:10.1038/scientificamerican0413-28 Good Vibrations   p29 Mark Anderson doi:10.1038/scientificamerican0413-29 The Science of Health Top Shock to the System   pp30 - 32 Maryn McKenna doi:10.1038/scientificamerican0413-30 TechnoFiles Top Disappointment of Dazzling Displays   p34 David Pogue doi:10.1038/scientificamerican0413-34 Features Top Ghostly Beacons of New Physics   pp40 - 47 Martin Hirsch, Heinrich Pas and Werner Porod doi:10.1038/scientificamerican0413-40 The Neutrino's Secrets, Written on the Sky   p46 Sudeep Das and Tristan L. Smith doi:10.1038/scientificamerican0413-46 The Future of Medicine   pp48 - 49 doi:10.1038/scientificamerican0413-48 A Change of Heart   pp50 - 52 Ferris Jabr doi:10.1038/scientificamerican0413-50 The Super Glue Cure   pp52 - 53 Christine Gorman doi:10.1038/scientificamerican0413-52 A Sweet Solution for Replacing Organs   pp54 - 55 Katherine Harmon doi:10.1038/scientificamerican0413-54 Replanting the Brain's Forest   pp55 - 57 Ferris Jabr doi:10.1038/scientificamerican0413-55 The True Cost of Fossil Fuels   pp58 - 61 Mason Inman doi:10.1038/scientificamerican0413-58 Anguish of the Abandoned Child   pp62 - 67 Charles A. Nelson, III, Nathan A. Fox and Charles H. Zeanah, Jr. doi:10.1038/scientificamerican0413-62 The Low-Cost Ticket to Space   pp68 - 73 S. Alan Stern doi:10.1038/scientificamerican0413-68 Let the Fish Breathe   pp74 - 79 Brendan Borrell doi:10.1038/scientificamerican0413-74 Love among the Dinosaurs   pp80 - 83 Brian Switek doi:10.1038/scientificamerican0413-80 Reviews and Recommendations Top Beautiful Whale   p84 doi:10.1038/scientificamerican0413-84a The New Digital Age: Reshaping the Future of People, Nations and Business   p84 doi:10.1038/scientificamerican0413-84b Adrenaline   p84 doi:10.1038/scientificamerican0413-84c The Book of Barely Imagined Beings: A 21st Century Bestiary   p84 doi:10.1038/scientificamerican0413-84d Skeptic Top Proof of Hallucination   p86 Michael Shermer doi:10.1038/scientificamerican0413-86 Anti Gravity Top Show Your Hand   p88 Steve Mirsky doi:10.1038/scientificamerican0413-88 50, 100 and 150 Years Ago Top 50, 100 & 150 Years Ago   pp90 - 91 Daniel C. Schlenoff doi:10.1038/scientificamerican0413-90 Graphic Science Top Deep Heat Threatens Marine Life   p92 Mark Fischetti doi:10.1038/scientificamerican0413-92 Top Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. For event advertising opportunities across the Nature Publishing Group portfolio please contact natureevents@nature.com More Nature Events

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