CREDITS:(TOPTOBOTTOM)V.ALTOUNIAN/SCIENCE;ANGELYANAGIHARA;POSNOV/GETTYIMAGES9NOVEMBER2018•VOL362ISSUE6415615SCIENCEsciencemag.org9NOVEMBER2018•VOLUME362•ISSUE6415CONTENTS644&657MechanisticviewofRNasePNEWSINBRIEF622NewsataglanceINDEPTH625WORLDPOISEDTOADOPTNEWMETRICUNITSKilogramandotherunitswillbederivedfromfixedconstantsofnatureByA.Cho▶PODCAST626EARLYMONGOLIANSATEDAIRY,BUTLACKEDTHEGENETODIGESTITAncientDNAandproteinhelpsolveevolutionaryriddleByA.Curry627ANCIENTDNATRACKSMIGRATIONSAROUNDAMERICASTroveofnewsamplesrevealsexpansionofClovishuntersandmysterious9000-year-oldpopulationturnoverByL.Wade▶RESEARCHARTICLEBYJ.V.MORENO-MAYARETAL.10.1126/science.aav2621;SCIENCEADVANCESRESEARCHARTICLEBYJ.LINDOETAL.10.1126/sciadv.aau4921INSIGHTSPOLICYFORUM636WHOSESCIENCE?ANEWERAINREGULATORY“SCIENCEWARS”ProposedreformsshowaclearbreakwithhistoricalnormsByW.Wagneretal.PERSPECTIVES640DANGEROUSLIAISONSINANAPHYLAXISDendriticcellsdeliverallergenstomastcellsintheskinviamicrovesiclesByF.Levi-SchafferandJ.Scheffel▶RESEARCHARTICLEP.656641AKEYINGREDIENTFORPRIMINGKILLERTCELLSWDFY4proteincontrolsthegenerationofantiviralandantitumorCD8+TcellimmunityByG.BarbetandJ.M.Blander▶REPORTP.694643PESTICIDEAFFECTSSOCIALBEHAVIOROFBEESNeonicotinoidexposureimpairsthesocialdynamicsofbumblebeesinsidethenestByN.E.Raine▶REPORTP.683644RECRUITINGMOREPROTEINSTOTHERNAWORLDAprimordialbutstillessentialribozymeco-optsproteinsasitevolvesByW.G.ScottandK.Nagai▶RESEARCHARTICLEP.657646SCALINGUPSOLID-STATEQUANTUMPHOTONICSRadiativecouplingcreatesanentangledstatebetweentwosiliconvacanciesindiamondByP.Lodahl▶REPORTP.662BOOKS647WHYCONSERVATIVESABANDONEDCONSERVATIONToday’sRepublicansseeenvironmentalproblems,andthoseraisingthealarm,differentlyByN.D.Woods628INDONESIANFATWACAUSESIMMUNIZATIONRATESTODROPClericsdeclaremeaslesandrubellavaccinemadewithporkcomponentsimpureByD.Rochmyaningsih630U.S.LABSUSINGARECORDNUMBEROFMONKEYSNonhumanprimatesgrowinresearchimportance,buttrendalarmsanimalactivistsByD.Grimm▶PODCASTFEATURE631STOPPING...
