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Inside the Collider Teeming with Life COMMENT BOOKS & ARTS perhaps, but authentic Hawaiian ones. Being authentic does not involve having native or endemic species or being devoid of people, and is thus a more tractable environmental goal than achieving natu- ralness or wildness. C. MARCELLONI/CERN Neither volume tries to dismiss ‘natural nature’ as the cause célèbre of conser- vation; rather, both encourage adding unnatural nature to that which we seek to preserve. Well protected places that are rich in endemics are important, but rambunctious gardens and authentic ecosystems are crucial too. Take a modern New England forest. Its ecology consists of garlic mustard from Europe, thorny Japanese barberry, intro- duced earthworms, soil that is enriched with industrial nitrogen, exotic insect pests such as hemlock woolly adelgids, Building the Large Hadron Collider proved tricky, not least because of fears it would create tiny black holes. Asian longhorned beetles and emerald ash borers, and an ungodly number of PARTICLE PHYSICS ravenous deer who know no serious predation. It is a rambunctious garden. It is polluted, stunted, diseased, unsta- ble and has no top predators. But it is Inside the collider teeming with life. It is home to surviving native species; exhibits ecosystem func- Joseph Silk enjoys an eloquent take on the Higgs boson, tions such as storing carbon and cycling supersymmetry and the world’s largest particle smasher. nutrients; and even provides some eco- system services by stabilizing the hilly slopes and supplying deer for hunters in entioning particle physics may gravity with quantum the region. This is authentic nature in the silence many dinner parties, but theory and, in par- Anthropocene epoch. that has not deterred its funders. ticular, with the forces Yet ecological theory still holds, even if MBy the end of 2010, more than €7 billion that hold particles it is complex and inconvenient. If nature (US$10 billion) had been ploughed into the and atoms together in is any set of interacting species, through current world-leading machine in experi- higher dimensions of which energy flows and nutrients cycle, mental particle physics — the Large Hadron space and time. then it calls for saving too many species Collider (LHC) at CERN, Europe’s high- String theorists, and setting aside too much land. Yet I energy physics lab near Geneva, Switzerland. whose ranks purport- would caution against making intelli- So it behooves the researchers involved to edly include the great- Knocking on gent-design-like arguments that would communicate the relevance of the LHC’s sci- est brains in physics, Heaven’s Door: dispense with ecology, to replace it with ence goals to the public. have predicted that How Physics and something simpler. Nature without ecol- Lisa Randall’s Knocking on Heaven’s Door is infinitesimal, very Scientific Thinking ogy is like biology without evolution; the latest attempt to do so. Her eloquent book short-lived black holes Illuminate the neither is viable, neither makes sense. details the trials and tribulations of the LHC, are the unifying fac- Universe and the Marris and Dudley challenge us to from conception to implementation, and tor, the missing glue. Modern World LISA RANDALL revisit the definition of nature in our takes us on a grand tour of the underlying Some have predicted Bodley Head: 2011. increasingly unnatural world. But mod- science. Randall, a professor of physics at Har- that these micro- 464 pp. £20 ern ecosystems that are haphazardly vard University in Cambridge, Massachusetts, scopic objects could assembled from the remains of human and a leading contributor to particle-physics be re­created in suffi- development are unpredictable and frag- theory, borrows her title from Bob Dylan’s ciently high-energy particle collisions with a ile. With one billion people hungry, two soundtrack to the 1973 Sam Peckinpah film, powerful particle accelerator such as the LHC. billion poor and three billion in desper- Pat Garrett and Billy the Kid. The film is a However, most particle physicists doubt that ate need of water, the hopes of human- lament on the death of a gunslinger — and they will actually see such events — Stephen ity rest on conserving, restoring and the book’s title may be a reference to the pre- Hawking predicted that, owing to quantum sustainably managing the services that diction that turning on the LHC would result physical effects, microscopic black holes nature provides. The bigger question is in the destruction of Earth. Fortunately, as should decay in a fraction of a nanosecond. whether the unnatural nature that we Randall describes, this did not happen. But even Hawking might be fallible. Rich- have wrought, although familiar in form That prediction provides a measure of the ard Feynman famously said that “nobody and function, will save us or prove to be LHC’s reach, and its hold on the public’s imag- understands quantum mechanics”. If monstrous. ■ ination. Physicists’ ulti- Hawking was wrong, an escaping black hole mate dream is to unify NATURE.COM might suck up its surroundings: the LHC Shahid Naeem is professor of ecology at the fundamental inter- Lisa Randall’s itself and Geneva (to which humanity could Columbia University, New York, USA. actions of physics. This hyperspace opera: no doubt adapt) and even Earth. Pursuing e-mail: [email protected] involves combining go.nature.com/ydazso this logic, a teacher in Hawaii combined 30 | NATURE | VOL 477 | 1 SEPTEMBER 2011 © 2011 Macmillan Publishers Limited. All rights reserved BOOKS & ARTS COMMENT forces with a Spanish writer in 2008 to file a lawsuit against CERN, the US Department of Energy and the US National Science Foun- Books in brief dation that threatened to block the start-up of the LHC. Survivors: The Animals and Plants that Time Has Left Behind As Randall describes, scientists responded Richard Fortey HARpER PRESS 400 pp. £25 (2011) with fervour. It turns out that nature pro- Cataclysms come and go, but the stromatolites of Western Australia vides an answer to such concerns. Cosmic have sat them out for more than 2 billion years. These organic rays pervade space and bombard Earth cushion-like structures with cyanobacterial wigs lead palaeontologist continuously. Their energies extend to bil- Richard Fortey’s cast of survivors still dangling from the tree of life. lions of times that achievable by the LHC. He roves from hordes of horseshoe crabs in Delaware Bay on the Had microscopic black holes been created northeast US coast to New Zealand’s velvet worms and beyond, each in high-energy collisions of cosmic-ray par- fascinating organism a focus for broader thoughts on evolutionary ticles, Earth and the stars would have been history. Decades spent “looking at thoroughly dead creatures” have swallowed up long ago. Physicists could not dimmed Fortey’s ability to bring these relics to life. relax: the LHC risk-assessment exercise was favourably resolved. On 20 November 2009, the LHC first My Beautiful Genome: Discovering Our Genetic Future, One Quirk powered up for experiments. By the end of at a Time 2012 it will reach a high enough energy to Lone Frank ONEWORLD 320 pp. £10.99 (2011) test the standard model of particle physics As consumer-led genomics ramps up, questions of ethics and efficacy and to detect the Higgs boson, the elusive, proliferate. Neurobiologist Lone Frank looks at how exposing our mass-giving ‘God particle’ — if it exists. DNA affects our lives. Having interviewed James Watson and covered Knocking on Heaven’s Door describes how the rise of personal genomics from 2008, Frank puts her own genes that discovery would confirm one of the to the test. She charts the range of applications — deep ancestry, great predictions of physics. In parallel, disease, behaviour and personality, mental illness and partner the LHC will search for physics beyond the compatibility — and concludes that, far from being a straitjacket, standard model. One of the most anticipated unveiling our ‘invisible self’ liberates, connects and reassures. signatures will be that of supersymmetry, a new field that provides a candidate particle for dark matter. 1493: How Europe’s Discovery of the Americas Revolutionized Given her background, Randall naturally Trade, Ecology and Life on Earth complements her discussion of the LHC by Charles C. Mann GRANTA 544 pp. £14.99 (2011) describing ongoing searches for dark matter Journalist Charles Mann chronicles how Christopher Columbus’ that are mostly led by particle physicists. For second New World expedition in 1493 triggered a global upheaval. them, the driving question is: what is it? But European vessels left sheep, rats and lethal viruses in the New World Randall largely ignores astronomers’ con- and carried tomatoes, tobacco and maize (corn) to the Old. Millions tribution to the problem — namely, giving of people died from introduced diseases and ecosystems convulsed. the empirical motivation for dark matter (it A world economy emerged, propelled by trade in commodities from is the dominant form of matter in the Uni- silk to slaves. Drawing on new research, Mann reframes the past verse) and mapping its location. 500 years to riveting effect. The LHC could resolve the greatest mys- teries of the Universe: one microscopically small, and the other macroscopically large. The Genius in my Basement: The Biography of a Happy Man But suppose physicists fail to detect any sign Alexander Masters FOURTH ESTATE 352 pp. £8.99 (2011) of the Higgs boson or supersymmetry? Will In 2007, writer Alexander Masters — author of Stuart: A Life we have wasted those billions? Failure would Backwards (2006) — lived above the distinguished mathematician shift the goal posts. Exploration of the next Simon Phillips Norton in Cambridge, UK. Norton helped to devise particle-physics frontier will require more the ‘monstrous moonshine’ conjecture, about a mathematical powerful, more expensive and less attain- symmetry group in thousands of dimensions known as the Monster; able machines.
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