Scientific American Contents, Volume 312 Number 5, pp 4 - 90

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TABLE OF CONTENTS May 2015 Volume 312, Issue 5 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 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 Rise of the Tyrants   p4 Mariette DiChristina doi:10.1038/scientificamerican0515-4 Letters Top Letters   pp6 - 8 doi:10.1038/scientificamerican0515-6 Science Agenda Top Wooing the Fence-sitters   p10 doi:10.1038/scientificamerican0515-10 Forum Top Time to Go to Europa   p12 Van R. Kane doi:10.1038/scientificamerican0515-12 Advances Top Teen Dispirit   pp15 - 16 Jessica Wapner doi:10.1038/scientificamerican0515-15 Switching Sides   p16 Rebecca Harrington doi:10.1038/scientificamerican0515-16 Quick Hits   p17 doi:10.1038/scientificamerican0515-17 Global Role Model   pp18 - 25 Sam Loewenberg doi:10.1038/scientificamerican0515-18 May Flowers Bring Leaf Showers   p21 Annie Sneed doi:10.1038/scientificamerican0515-21a The Retiarius Bot   p21 Bryan Lufkin doi:10.1038/scientificamerican0515-21b Popcorn Physics 101   p22 Rachel Nuwer doi:10.1038/scientificamerican0515-22a The Lens Descends   p22 Prachi Patel doi:10.1038/scientificamerican0515-22b Tiny Toilets   p23 Jason G. Goldman doi:10.1038/scientificamerican0515-23 Small Fry   p24 Lee Billings doi:10.1038/scientificamerican0515-24 The Culture of Germination   p26 Sarah Lewin doi:10.1038/scientificamerican0515-26 Right on Schedule   p27 Sarah Lewin doi:10.1038/scientificamerican0515-27 The Science of Health Top Why Girls are Starting Puberty Early   pp28 - 30 Dina Fine Maron doi:10.1038/scientificamerican0515-28 TechnoFiles Top Truth in Digital Advertising   p32 David Pogue doi:10.1038/scientificamerican0515-32 Features Top Rise of the Tyrannosaurs    pp34 - 41 Stephen Brusatte doi:10.1038/scientificamerican0515-34 The Glue that Binds Us   pp42 - 49 Rolf Ent, Thomas Ullrich and Raju Venugopalan doi:10.1038/scientificamerican0515-42 Lifting the Curse of Alzheimer's   pp50 - 57 Gary Stix doi:10.1038/scientificamerican0515-50 The Search for a New Machine   pp58 - 63 John Pavlus doi:10.1038/scientificamerican0515-58 Waves of Destruction   pp64 - 69 Mark Harris doi:10.1038/scientificamerican0515-64 Cellular Small Talk   pp70 - 77 Dale W. Laird, Paul D. Lampe and Ross G. Johnson doi:10.1038/scientificamerican0515-70 Night Watch   pp78 - 81 Steven D. Miller doi:10.1038/scientificamerican0515-78 Reviews and Recommendations Top Biophilia   p82 doi:10.1038/scientificamerican0515-82a Birth of a Theorem   p82 doi:10.1038/scientificamerican0515-82b Invisible   p82 doi:10.1038/scientificamerican0515-82c How to Clone a Mammoth   p82 doi:10.1038/scientificamerican0515-82d Skeptic Top Terrorism as Self-Help Justice   p84 Michael Shermer doi:10.1038/scientificamerican0515-84 Anti Gravity Top Have a Seat   p86 Steve Mirsky doi:10.1038/scientificamerican0515-86 50, 100 and 150 Years Ago Top 50, 100 & 150 Years Ago   p88 Daniel C. Schlenoff doi:10.1038/scientificamerican0515-88 Graphic Science Top This Land is My Land   p90 Mark Fischetti doi:10.1038/scientificamerican0515-90 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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