National Geographic 2014年第02期.pdf

Marbled Polecat(Vormela peregusna)EUROPESize:Body length,27-38 cm(10.6-15.0 inches);tail,12-22 cm(4.7-8.7 inches)Weight:260-520 g(9.17-18.34 oz)Habitat:Prefers dry,open spaces,but also lives inASIAbushes and forest edges of semi-arid areas Surviving number:UnknownIndian OceanPhotographed by Ahmet KARATASWILDLIFE AS CANON SEES ITSmells like trouble.When the marbled polecatduring its forays at dusk,dawn and throughoutis threatened,it throws its head back,displaysthe night.But as its steppe habitat shrinks inits coloring and emits a noxious defensive odor.Europe and Asia,the polecat may be facingAnd if that doesnt have the desired effect,itmore trouble than it can handle.plays dead.The elusive hunter employs offensiveAs Canon sees it,images have the power tostrategies as well,such as approaching andraise awareness of the threats facing endangeredattacking from the side.With the help of thesespecies and the natural environment,helpingtechniques,it can overcome prey larger than itselfus make the world a better place.CanonEOS SystemFebruary 2014I111111111111111111111111111111101111111111111111111111111111111111101111111101110111111111111101110110111111111101100111111111111111111110111101111111111101111110111011011001101110111111014Editors Note6Letters8Survival GuideVISIONS-DIGITAL EDITIONS10National Geographic is16Your Shotavailable on the iPad,theKindle Fire,and the iPhone18NEXTAn Elephant Never Runs OutThe mammals six sets of chompersare enough for a lifetime of chewingRooftop Tsunami RefugeIt will be built atop a new schoolHuman Brain MapAudio Slide Showin Westport,Washington.Brain imaging guides aThe Benefit of Pruney Digitssurgeons work.The ridges could have helped ancient hu-mans catch fish or clamber over slick rocks.Fly Like an OwlA barn owl barely flaps.Engineers aim tomimic its wings to make quieter aircraft.Quinoa Conquers the WorldThe high-protein Andean seed could helpfight hunger-if we can grow enough of it.The 50-Million-Year-Old BirdA newly discovered fossil is thought to bea cousin of the hummingbird and the swift.Why Women Remember FacesTheyre better scanners than men.136NG Connect138The MomentFoundFlorences Cathedral360ViewYou wont even need tocrane your neck.On the Cover The colorized fibers connect different regions of the brainMagnetic resonance image by Van Wedeen and L.L Wald,MartinosCenter for Biomedical Imaging,Human Connectome ProjectSubscriptions For subscriptions,gift memberships,or changes of addresscontact Customer Service at or call 1-800-NGS-LINE(647-5463).ART:FERNANDO G.BAPTISTANGM STAFFOutside the U.S.and Canada please call+1-813-979-6845.Contributions to the National Geographic Society are tax deductible under Section 501(c)(3)of the U.S.tax code.Copyright2014 National Geographic SocietyAll rights reserved.National Geographic and Yellow Border:Registered Trademarks Marcas Registradas.National Geographic assumes no responsbity for unsolicited materials.Printed in U.S.A.Please recycle