National Geographic 2014年第10期.pdf

MOVE OVER,T.REX!DROUGHT IN THE WESTFREE POSTER:MAPPING CALIFORNIAS WATERTHE QUEST FOR THE BIGGEST,BADDEST PREDATOR ON EARTHTHE TRUTH ABOUT GMOsOCTOBER 2014 NUCLEAR TOURISM Out-cleans the 5 big boys.In independent floorcare tests,the new DC59 Motorhead vacuum out-cleans the top five best-selling full-size vacuums across carpets and hard floors.Without the hassle of a cord.* against upright market,dust loaded,using ASTM F608,ASTM F2607,IEC 60312-1 5.2,5.9.Using competitor NPD sales volume data,MAT April 2014.?OFFICIAL JOURNAL OF THE NATIONAL GEOGRAPHIC SOCIET Y32 The Next Green RevolutionSupercrops will help,but biotech alone cant head off a food crisis.By Tim Folger Photographs by Craig Cutler78 Medieval Mountain HideawayIn the Svaneti region of Georgias Caucasus Mountains,the ways of the Middle Ages live on.By Brook Larmer Photographs by Aaron Huey 100 King CretaceousMeet Spinosaurus aegyptiacus,the largest carnivore ever to walkand swimon Earth.By Tom Mueller Photographs by Mike Hettwer 122 The Nuclear TouristAbandoned 28 years ago,the land around the failed Chernobyl power plant now teems with tourists.By George Johnson Photographs by Gerd LudwigWhen the Snows Fail|Special Poster:Californias Water ChallengeThe drought-ridden western U.S.once slaked its thirst with winter snowfalls.Now,that relief is dwindling.By Michelle Nijhuis Photographs by Peter Essick56 Carving the Bird Everybody has a favorite chicken part in the multibillion-dollar global market.VOL.226 NO.4Folsom Lake in Folsom,California,northeast of Sacramento,was at around half its average capacity in late February 2014.58?Contributions to the National Geographic Society are tax deductible under Section 501(c)(3)of the U.S.tax code.|Copyright 2014 National Geographic Society|All rights reserved.National Geographic and Yellow Border:Registered Trademarks Marcas Registradas.National Geographic assumes no responsibility for unsolicited materials.Printed in U.S.A.NATIONAL GEOGRAPHIC(ISSN 0027-9358)PUBLISHED MONTHLY BY THE NATIONAL GEOGRAPHIC SOCIETY,1145 17TH ST.NW,WASHINGTON,DC 20036.ONE YEAR MEMBERSHIP:$39.00 U.S.DELIVERY,$44.00 TO CANADA,$51.00 TO INTERNATIONAL ADDRESSES.SINGLE ISSUE:$7.00 U.S.DELIVERY,$10.00 CANADA,$15.00 INTERNATIONAL.(ALL PRICES IN U.S.FUNDS;INCLUDES SHIPPING AND HAN-DLING.)PERIODICALS POSTAGE PAID AT WASHINGTON,DC,AND ADDITIONAL MAILING OFFICES.POSTMASTER:SEND ADDRESS CHANGES TO NATIONAL GEOGRAPHIC,PO BOX 62130,TAMPA,FL 33662.IN CANADA,AGREEMENT NUMBER 40063649,RETURN UNDELIVERABLE ADDRESSES TO NATIONAL GEOGRAPHIC,PO BOX 4412 STN.A,TORONTO,ONTARIO M5W 3W2.UNITED KINGDOM NEWSSTAND PRICE 5.50.REPR.EN FRANCE:EMD FRANCE SA,BP 1029,59011 LILLE CEDEX;TEL.320.300.302;CPPAP 0715U89037;DIRECTEUR PUBLICATION:D.TASSINARI DIR.RESP.ITALY;RAPP IMD SRL,VIA G.DA VELATE 11,20162 MILANO;AUT.TRIB.MI 258 26/5/84 POSTE ITALIANE SPA;SPED.ABB.POST.DL 353/2003(CONV L.27/02/2004 N.46)ART 1 C.1 DCB MILANO STAMPA QUAD/GRAPHICS,MARTINSBURG,WV 25401.MEMBERS:IF THE POSTAL SERVICE ALERTS US THAT YOUR MAGAZINE IS UNDELIVERABLE,WE HAVE NO FURTHER OBLIGATION UNLESS WE RECEIVE A CORRECTED ADDRESS WITHIN TWO YEARS.DepartmentsSubscriptions For subscriptions,gift memberships,or changes of address,contact Customer Service at or call 1-800-NGS-LINE(647-5463).Outside the U.S.and Canada please call+1-813-979-6845.On the Cover With sharp,splayed teeth and a six-foot sail along its back,the Spinosaurus ruled the mid-Cretaceous in what is now northern Africa.Photo by Mike Hettwer,assisted by Mark Thiessen,NGM StaffNational Geographic SocietyWORLD FOOD DAYThe Food and Agriculture Organization of the United Nations declared October 16 World Food Day to draw attention to hunger,malnutrition,food security,and agricultural development.Visit National Geographics food blog,The Plate,at for updates on this years events.NG BOOKSFOODS FOR HEALTHBarton Seaver and P.K.NewbyDiscover the foods that have a high nutritionaland low environmentalimpact in this science-based guide that will have you and your family shopping,cooking,and eating more sustainably.Find it wherever books are sold($22.95).Friend us on Facebook at stories about pictures at proof.national Tweet us on Twitter NatGeoMagFollow our photographers on Instagram natgeoComment on our stories at ngsforum October 2014EXPLORE WILD THINGSBirds Caged by ClimateSCIENCE Screws of Silk;Methane LakesANCIENT WORLDSYupik ArtifactsTHE FUTURE OF FOOD When Food Is FuelPLANET EARTHFire Island Post-SandyUS School Slogans;“OK”Turns 175From the Editor3 QuestionsVISIONSYour ShotIn the Loupe46820Basic Instincts140PHOTO:MIKE HETTWER.ART:LVARO VALIO The 50-foot-long Spinosaurus(above)photographed for the cover will menace visitors to National Geographics courtyard in Washington,D.C.(but a full-size skeleton of the dinosaur will stay inside the museum).Lost Giant of the Cretaceous September 12,2014April 2015Please recycle.PRINTED ON 100%PEFC-CERTIFIED PAPEREXHIBIT?Take the guesswork out before they get in with Delta Temp2O Shower Technology.The