Sections
Ex 4.25 Put a slash ( / ) where the spaces are:
Scientistsmayhavefoundoneanswertotheproblemofwatershortages .Itisanewmaterialthatcollectswaterfromtheair.Theygottheirideafro masmallbeetlethatlivesinthedesertinAfrica.ThedesertsoftheSkeleto nCoastinNamibiaareverydry,buttheNamibdesertbeetleisanexpertat survivinginhotanddryconditions.Itsshelliscoveredinsmallbumpsthat collecttinywaterdropletsfromtheair.Thewaterisenoughtokeepthebe etlealive.Scientistsstudiedtheshapeandmaterialofthebeetle'sbump s.Theywanttousewhattheyfoundoutaboutthebeetletomaketheirown materialsthatcancollectwaterfromtheair.Thiswillhelppeoplewholivei nverydryareas.Thescientistsbelievethisnewtechnologycouldhelpin manyareasofourlife.Theysaiditcouldbeveryusefulforpowerplantsan dfortheheatingandairconditioninginairplanes,carsandtrains.Oneoft hescientists,PhilseokKim,said:"Thermalpowerplants,forexample,re lyoncondenserstoquicklyconvertsteamtoliquidwater.[Our]designco uldhelpspeedupthatprocessandevenallowforoperationatahigherte mperature,significantlyimprovingtheoverallenergyefficiency."Anot herscientist,JoannaAizenberg,saidshewaslookingforwardtothefutur eofgettingideasfornewtechnologiesfromnature.Shesaid:"Everybod yisexcitedaboutbio-inspiredmaterialsresearch."