CREDITS(FROMTOP):C.BICKEL/SCIENCE;VICTORMORIYAMA/STRINGER/GETTYIMAGES19OCTOBER2018•VOL362ISSUE6412263SCIENCEsciencemag.org19OCTOBER2018•VOLUME362•ISSUE6412CONTENTS290&339CellulargroupmobilityNEWSINBRIEF268NewsataglanceINDEPTH271SCIENTISTSWHOBEATTHEODDSSEEKVICTORYINNOVEMBERCandidates,allDemocrats,learnedintheprimariesthatasciencebackgroundbyitselfdoesnotswayvotersByJ.Mervis273SCIENTISTS,ENVIRONMENTALISTSBRACEFORBRAZIL’SRIGHTTURNCountry’slikelynextpresidentpromisesR&DinvestmentbutfavorsdevelopmentoverclimateandbiodiversityByH.Escobar274PLANETHUNTERNEARSITSENDKeplerspacetelescopefoundtroveofexoplanetsByD.Clery275NASA’sasteroidexplorerDawnsoontogodarkByP.Voosen276CHINANARROWSU.S.LEADINR&DSPENDINGButlaggingsupportforbasicresearchmayhinderambitionstobecomeasciencesuperpowerByD.NormileINSIGHTSPOLICYFORUM284ENDANGEREDSPECIESRECOVERY:ARESOURCEALLOCATIONPROBLEMExplicitarticulationofvaluesandobjectivesiscriticalByL.R.Gerberetal.PERSPECTIVES287WELL-BEINGINMETRICSANDPOLICYWell-beingmetricsprovidekeyinsightsforeconomicandenvironmentalsustainabilityByC.Grahametal.▶REVIEWP.304289COMPUTATIONALCOMPLEXITY,STEPBYSTEPForcertainlinearalgebratasks,quantumcircuitsareproventooutperformclassicalonesByA.Montanaro▶REPORTP.308290SUPRACELLULARCONTRACTIONSPROPELMIGRATIONCytoskeletalcordsconnectingcellsatthebackofcellgroupsenabledirectionalmigrationByI.Adameyko▶REPORTP.339291TOWARDHUMANEGG-LIKECELLSINVITROHumanprecursoregg-likecellsareproducedinmouseovaryorganoidstostudyinfertilityByM.E.GillandA.H.F.M.Peters▶REPORTP.356292AFRIENDLYDANGERImmunecellreceptorDNGR-1limitsinflammatorytissuedamageByF.SalazarandG.D.Brown▶REPORTP.351294EARTH’SSOFTHEARTAmodernseismologicalmethodraisesquestionsaboutthepropertiesofEarth’sinnercoreByJ.C.E.Irving▶REPORTP.329BOOKSETAL.295THEFAMILIARPOLITICSOFTHEFINALFRONTIEREarth’seconomicwoeshauntthefirstlunarcolonyinafictionalnearfutureByJ.Trapani296RECOGNIZINGTHEROLEOFSKILLEDIMMIGRATIONAscholarexaminestherewardsandshortcomingsofglobaltalentintheUnitedStatesB...