Science 2018-09-21.pdf

1164 21 SEPTEMBER 2018 VOL 361 ISSUE 6408sciencemag.org SCIENCE21 SEPTEMBER 2018 VOLUME 361 ISSUE 6408CONTENTS1202&1216An embryonic blueprintCREDIT:ISTOCK.COM/KHARKHAN_OLEGON THE COVERA growing number of scientists are studying science itself.These“metaresearchers”are asking how researchers generate and test hypotheses;what they read,cite,and publish;and how they collaborate and network.Some hope that a better understanding of how science works will help address systemic problems such as biases and the inability to reproduce many studies.See pages 1178 and 1194.Illustration:Davide Bonazzi/SalzmanArtSPECIAL SECTIONRESEARCH ON RESEARCHNEWSIN BRIEF1170 News at a glanceIN DEPTH 1172 DEADLY STORMS BREAK RECORDS,DAMAGE FACILITIESFlorence and Mangkhut hold lessons for future disasters,and omens of growing severity By F.Schembri1173 EVIDENCE-BASED MEDICINE GROUP EXPELS INTERNAL CRITICCochrane is in turmoil after ousting co-founder Peter Gtzsche,who accused it of becoming“industry-friendly”By M.Enserink1174 DRUG PAIR SHOWS PROMISE FOR TREATING SLEEP APNEASmall clinical trial revives hope for an alternative to bulky breathing machines By M.Wadman1175 AAAS ADOPTS NEW POLICY FOR EJECTING HARASSERSSociety may strip honors if misconduct has been found By M.Wadman EDITORIAL P.1167 1176 A MODULAR BACKBONE AIDED THE RISE OF MAMMALSFossils show how lumbar vertebrae were freed up to adapt to myriad lifestyles By E.Pennisi REPORT P.12491177 BRAIN SCIENTISTS DIVE INTO DEEP NEURAL NETWORKSIncreasingly skilled artificial intelligence could hold clues to human sensory systems By K.ServickFEATURES 1178 INTRODUCTIONBy M.Enserink1180 JOURNALS UNDER THEMICROSCOPE“Journalologists”use scientific methods to study publishing.Is their work improving science?By J.Couzin-Frankel1184 THE METAWARSMeta-analyses were supposed to end scientific debates.Often,they only cause more controversy By J.de Vrieze PODCAST1189 THE TRUTH SQUADIn its drive to expose weaknesses in science,an up-and-coming research group doesnt mind stepping on some toes By E.Stokstad1192 A RECIPE FOR RIGORA simple strategy to avoid bias declaring in advance what you will study,and howis rapidly catching on By K.KupferschmidtPOLICY FORUM 1194 TOWARD A MORE SCIENTIFIC SCIENCE PODCASTINSIGHTSPERSPECTIVES 1198 CHEMICAL CLUES TO THE EARLIEST ANIMAL FOSSILSSteroid biomarkers show that the Ediacaran fossil Dickinsonia was an animal By R.E.Summons and D.H.Erwin REPORT P.12461199 PROGRAMMING CELLS AND TISSUESNew toolkits of biological parts allow powerful cell programming by synthetic biologists By D.S.Glass and U.Alon RESEARCH ARTICLE P.1217;REPORT P.12521201 FIGHTING CHAOS WITH CHAOS IN LASERSComplex wave interference suppresses nonlinearities that destabilize beams By L.Yang REPORT P.12251202 A BIRDS INNER STRIPESPatterns of stripes on bird plumage are determined from deep under the skin By B.Prudhomme and N.Gompel REPORT P.12161203 A GUT FEELINGGut-brain signaling involves neurotransmission from gut sensory epithelial cells By B.U.Hoffman and E.A.Lumpkin REPORT P.12191204 BANG OR WHIMPER?The evidence for collapse of human civilizations at the start of the recently defined Meghalayan Age is equivocal By G.D.MiddletonBOOKS ET AL.1206 ANIMAL TRAFFICKING,UNVEILEDA nuanced treatise on illegal wildlife trade misses some opportunities to advance the conversation By R.Cooney1207 LISTENING TO A PANDEMICStories from the 1918 flu come alive in a new podcast series By H.T.BattlesLETTERS 1208 POLLUTION THREATENSTOOTHED WHALESBy C.Sonne et al.1208 GOOD GOVERNANCE FORMIGRATORY SPECIESBy T.Aqorau et al.1209 OUTSIDE THE TOWER:SCIENCE OUTREACH IN THE BORNEO JUNGLEBy D.Warren 1209 TECHNICAL COMMENT ABSTRACTSPublished by AAASon September 24,2018 http:/science.sciencemag.org/Downloaded from RESEARCHIN BRIEF 1211 From Science and other journalsREVIEW1214 SOLAR CELLSChallenges for commercializing perovskite solar cells Y.Rong et al.REVIEW SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aat82351215 MICROBIOTABacterial antagonism in host-associated microbial communities L.Garca-Bayona and L.E.ComstockREVIEW SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aat2456RESEARCH ARTICLES 1216 PATTERN FORMATIONThe periodic coloration in birds forms through a prepattern of somite origin N.Haupaix et al.RESEARCH ARTICLE SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aar4777 PERSPECTIVE P.12021217 SYNTHETIC BIOLOGYCellular checkpoint control using programmable sequential logic L.B.Andrews et al.RESEARCH ARTICLE SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aap8987 PERSPECTIVE P.1199,REPORT P.125221 SEPTEMBER 2018 VOL 361 ISSUE 6408 1165SCIENCE sciencemag.org1239Qubit readout 1215Bacterial arsenalCREDITS(CLOCKWISE FROM TOP):L.GARCA-BAYONA AND L.E.COMSTOCK;A.OPREMCAK ET AL.;CLICKALPS SRLS/GETTY IMAGESDEPARTMENTS1167 EDITORIAL Address harassment nowBy Margaret Hamburg et al.NEWS STORY P.11751278 WORKING LIFEAfraid to fail?Reach outBy Barbara A.Wanchisen1218 PUBLIC HEALTHChanging dynamics of the drug overdose epide