1、CREDITS:(FROM TOP)DAVID MOSKOWITZ;LEO CORREA/AP IMAGES7 SEPTEMBER 2018 VOL 361 ISSUE 6406 949SCIENCE sciencemag.org7 SEPTEMBER 2018 VOLUME 361 ISSUE 6406CONTENTS962Is it too costly to savesome caribou herds?INSIGHTSBOOKS ET AL.966 NEW BOOKS,FRESH FOR FALLPERSPECTIVES 972 LEARNING TO MIGRATEHoofed an
2、imals,such as bighorn sheep and moose,learn migratory behaviors from other herd members By M.Festa-Bianchet REPORT P.1023974 MATCHMAKING MOLECULE FOR EGG AND SPERMSpecies-specific recognition molecule facilitates sperm binding to eggs at fertilization By R.Lehmann REPORT P.1029975 A BRAIN BOOST TO F
3、IGHT ALZHEIMERS DISEASEA mouse model of Alzheimers disease provides clues about why exercise is good for memory By T.L.Spires-Jones and C.W.Ritchie RESEARCH ARTICLE P.991976 TO GROW AND TO DEFENDA rice transcription factors dual roles could improve yield and disease resistance By G.H.Greene and X.Do
4、ng REPORT P.1026978 A RADICAL APPROACH TO SOOT FORMATIONChain reactions of resonance-stabilized radicals turn molecules into clusters and nanoparticles By M.Thomson and T.Mitra REPORT P.997979 COMPUTATIONAL ASTROPHYSICS FOR THE FUTUREAn open,modular approach with agreed standards would facilitate as
5、trophysical discovery By S.Portegies ZwartPOLICY FORUM 981 DENUCLEARIZING NORTH KOREA:A VERIFIED,PHASED APPROACHThe process must reflect existing levels of trust at each stage By A.Glaser and Z.MianLETTERS 984 CALL FOR NEW AAASHARASSMENT POLICYBy N.E.Selin et al.984 IMPROVING SOCIETIESHARASSMENT POL
6、ICIESBy A.Anbar et al.985 OUTSIDE THE TOWER:SCIENCE ENGAGEMENT IN SOUTH AFRICABy J.M.Hulbert and F.Roets985 ERRATAFire destroys priceless specimens at the National Museum of Brazil.961 RENEWED SANCTIONS STRANGLE SCIENCE IN IRANBrain drain feared amid economic woes and fraying international collabora
7、tions By R.StoneFEATURES 962 SHOULD IT BE SAVED?Proposals to focus resources on some endangered species and let others go extinct are stirring fierce debate By W.Cornwall965 How triage became a dirty wordBy W.Cornwall PODCAST960NEWSIN BRIEF954 News at a glanceIN DEPTH 956 U.N.TACKLES GENE PROSPECTIN
8、G ON THE HIGH SEASTalks on marine biodiversity pact marked by north-south divide on genetic resources By E.Kintisch957 EUROPEAN FUNDERS SEEK TO END REIGN OF PAYWALLED JOURNALSMove aims to accelerate full transition to open access By M.Enserink958 RAPID ONSET OF TRANSGENDER IDENTITY IGNITES STORMCrit
9、ics charge a study is biased,but others say politics is inhibiting science By M.Wadman960 IN A FORETOLD TRAGEDY,FIRE CONSUMES BRAZIL MUSEUMYears of underfunding are blamed for lack of fire safety By H.EscobarPublished by AAASon September 9,2018 http:/science.sciencemag.org/Downloaded from CREDITS:(G
10、RAPHIC)S.TSESSES ET AL.;(PHOTO)IMP7 SEPTEMBER 2018 VOL 361 ISSUE 6406 951SCIENCE sciencemag.orgCONTENTS993Optical skyrmions 7 SEPTEMBER 2018 VOLUME 361 ISSUE 6406RESEARCHIN BRIEF 987 From Science and other journalsREVIEW990 ECOLOGYTransient phenomena in ecology A.Hastings et al.REVIEW SUMMARY;FOR FU
11、LL TEXT:dx.doi.org/10.1126/science.aat6412RESEARCH ARTICLES 991 NEURODEGENERATIONCombined adult neurogenesis and BDNF mimic exercise effects on cognition in an Alzheimers mouse model S.H.Choi et al.RESEARCH ARTICLE SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aan8821 PERSPECTIVE P.975992 STRUCTU
12、RAL BIOLOGYStructure of the human PKD1-PKD2 complex Q.Su et al.RESEARCH ARTICLE SUMMARY;FOR FULL TEXT:dx.doi.org/10.1126/science.aat9819993 TOPOLOGICAL OPTICSOptical skyrmion lattice in evanescent electromagnetic fields S.Tsesses et al.REPORTS 997 COMBUSTION CHEMISTRYResonance-stabilized hydrocarbon
13、-radical chain reactions may explain soot inception and growth K.O.Johansson et al.PERSPECTIVE P.978;PODCAST1000 PLASMA ASTROPHYSICSDirect measurements of two-way wave-particle energy transfer in a collisionless space plasma N.Kitamura et al.1004 OPTICAL COMPUTINGAll-optical machine learning using d
14、iffractive deep neural networks X.Lin et al.1008 MEMBRANESZeolitic imidazolate framework membranes made by ligand-induced permselectivation X.Ma et al.1012 SURFACE CHEMISTRYRegulating the femtosecond excited-state lifetime of a single molecule K.R.Rusimova et al.1016 GALAXY FEEDBACKFast molecular ou
15、tflow from a dusty star-forming galaxy in the early Universe J.S.Spilker et al.1019 ENERGYClimate model shows large-scale wind and solar farms in the Sahara increase rain and vegetation Y.Li et al.1023 MIGRATIONIs ungulate migration culturally transmitted?Evidence of social learning from translocate
16、d animals B.R.Jesmer et al.PERSPECTIVE P.972;VIDEO1026 PLANT SCIENCEA single transcription factor promotes both yield and immunity in rice J.Wang et al.PERSPECTIVE P.9761029 FERTILIZATIONThe Ly6/uPAR protein Bouncer is necessary and sufficient for species-specific fertilization S.Herberg et al.PERSPECTIVE P.9741033 CANCERMinimal functional driver gene heterogeneity among untreated metastases J.G.Reiter et al.ON THE COVERPronghorn(Antilocapra americana)ford the Green River in Wyoming,United State
