National Geographic 2015年第05期.pdf

MAY 2015THINKING LIKE A DOLPHIN UNDERSTANDING ONE OF THE SMARTEST CREATURES ON EARTHDETROIT:FUELING THE IMAGINATIONHOW TO BUILD A BETTER BEEOFFICIAL JOURNAL OF THE NATIONAL GEOGRAPHIC SOCIETYIn Laos,critics of a planned hydro-electric dam say it will block fish migration on the Mekong River,where this fisherman plies his trade.30 Its Time for a ConversationWhen one of Earth s smartest creatures vocalizes,it fuels a heated debate among scientists:Are dolphins actually speaking a complex language?By Joshua Foer Photographs by Brian Skerry56 Taking Back DetroitWith its bankruptcy in the rearview mirror,the Motor City is attracting investors,innovators,and adventurous would-be fixers.By Susan Ager Photographs by Wayne Lawrence 84 Quest for a SuperbeeHoneybees top the list of insect pollinators on which one-third of food crops depend.Can we breed a hardier bee?By Charles C.Mann Photographs by Anand VarmaHarnessing the Mekong Running for more than 2,600 miles,the Mekong River produces fish when it flows free and clean electricity when it s dammed.Therein lies Southeast Asia s dilemma.By Michelle Nijhuis Photographs by David Guttenfelder102130 Proof|Walking the Way A pilgrimage through France and Spain is“an ancient tradition thriving in a modern world.”Story and Photographs by Michael GeorgeOn the Cover Scientists working with bottlenose dolphins(this one lives at a Vallejo,California,animal park)are looking for a link between the animals many vocalizations and their behaviors.Photo by Brian SkerryCorrections and Clarifications Go to 2015 VOL.227 NO.5DetroitFROM THE EDITORPHOTO:GOLDBERG FAMILY COLLECTION Susan Goldberg,Editor in Chief Going HomeIn 1932 at age five,Jeannette Goldbergthe editor s motherposed with her own mother,grandmother,and great-grand-mother in Detroit.Im crisscrossing a careworn street on Detroits west side,looking at the house where my mother lived in the 1930s.I walk up driveways,down side-walks,peer around bushes.A neighbor,understandably curious,bounds over.“Im the king of Glendale,”Keith Harris says.Harris loves Glendale Streetso much so that hes purchased nine properties for$42,000.That sum got him six houses in varying states of repair and three empty lots.“Im not done yet,”he says.“Im going to buy more and rent them.”Im glad to hear this.Glendale could use more investment.So could Tuxedo Street,a few blocks away,where my father grew up.So could Detroit.Ive seen all the ruin-porn photos.Now Ive come to see for myself whats happened to what was Americas fifth largest city circa 1950.Then there were more than 1.8 million residents;now there are fewer than 700,000.This is where my family settled after immigrating to the United States in the 1920s,moving into neigh-borhoods filled with people just like them.The handwritten 1940 census page for Tuxedo Street literally illustrates the story:It shows a long list of Jewish names(Goldberg,Cohen,Barsky,Leventen)and the places from which Jews fled (Russia,Latvia,Estonia,Russia,Russia,Russia).The neighborhood was so insular that when my American-born mother went to kindergarten,she couldnt speak English,only Yiddish.Those families dont live here anymore.They are gone,along with the elm trees that once shaded these streets.The improbably named Bowl-O-Drome is now a CVS.Some houses have become empty lots.Others,burned-out hulks.But some are tidy symbols of survival and pride.Keith Harris owns one of those homes.“We have clean-up-the-block day,”he tells me.“We are trying to make it better.”Visitors like me walk these streets all the time,he says.“Some people came and cried like babies.”Maybe they shouldnt have.Though much is gone and more has changed,there are seeds of hope across the city,as writer Susan Ager and photographer Wayne Lawrence discovered while docu-menting the diversity of the new Detroit for this issue.Harris has planted some of those seeds.“We invest in this block,”he says,“because we want to stay.”INTRO ANNUAL FEE OF$0 THE FIRST YEAR,THEN$95Purchase and balance transfer APR is 15.99%variable.Cash advances and overdraft advances APR is 19.24%variable.Penalty APR of up to 29.99%variable.7BSJBCMF13TDIBOHFXJUIUIFNBSLFUCBTFEPOUIF1SJNF3BUFXIJDIXBTPOOOVBMGFFJOUSPEVDUPSZGFFUIFm STUZFBSGUFSUIBU.JOJNVNInterest Charge:None.Balance Transfer Fee:3%of the amount of each transaction,but not less than$5.Note:This account may not be eligible for balance transfers.Cash Advance Fee:5%of the amount of each advance,but not less than$10.Foreign Transaction Fee:None.Credit cards are issued by Chase Bank USA,N.A.Subject to credit approval.To obtain additional information on the current terms and information on any changes to these terms after the date above,please visit must have a valid permanent home address within the 50 United States or the District of Columbia.Restrictions and limitations apply.Offer TVCKFDUUPDIBOHF+1.PSHBO$IBTF$PNo foreign transaction fees 2X points on travel and dining at restaurantsLearn more at Sapphire PreferredSO YOU CANRent a mo