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Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow 期刊论文
Science, 2021
作者:  H.E.S.S. Collaboration;  H. Abdalla;  F. Aharonian;  F. Ait Benkhali;  E. O. Angüner;  C. Arcaro;  C. Armand;  T. Armstrong;  H. Ashkar;  M. Backes;  V. Baghmanyan;  V. Barbosa Martins;  A. Barnacka;  M. Barnard;  Y. Becherini;  D. Berge;  K. Bernlöhr;  B. Bi;  E. Bissaldi;  M. Böttcher;  C. Boisson;  J. Bolmont;  M. de Bony de Lavergne;  M. Breuhaus;  F. Brun;  P. Brun;  M. Bryan;  M. Büchele;  T. Bulik;  T. Bylund;  S. Caroff;  A. Carosi;  S. Casanova;  T. Chand;  S. Chandra;  A. Chen;  G. Cotter;  M. Curyło;  J. Damascene Mbarubucyeye;  I. D. Davids;  J. Davies;  C. Deil;  J. Devin;  L. Dirson;  A. Djannati-Ataï;  A. Dmytriiev;  A. Donath;  V. Doroshenko;  L. Dreyer;  C. Duffy;  J. Dyks;  K. Egberts;  F. Eichhorn;  S. Einecke;  G. Emery;  J.-P. Ernenwein;  K. Feijen;  S. Fegan;  A. Fiasson;  G. Fichet de Clairfontaine;  G. Fontaine;  S. Funk;  M. Füßling;  S. Gabici;  Y. A. Gallant;  G. Giavitto;  L. Giunti;  D. Glawion;  J. F. Glicenstein;  M.-H. Grondin;  J. Hahn;  M. Haupt;  G. Hermann;  J. A. Hinton;  W. Hofmann;  C. Hoischen;  T. L. Holch;  M. Holler;  M. Hörbe;  D. Horns;  D. Huber;  M. Jamrozy;  D. Jankowsky;  F. Jankowsky;  A. Jardin-Blicq;  V. Joshi;  I. Jung-Richardt;  E. Kasai;  M. A. Kastendieck;  K. Katarzyński;  U. Katz;  D. Khangulyan;  B. Khélifi;  S. Klepser;  W. Kluźniak;  Nu. Komin;  R. Konno;  K. Kosack;  D. Kostunin;  M. Kreter;  G. Lamanna;  A. Lemière;  M. Lemoine-Goumard;  J.-P. Lenain;  F. Leuschner;  C. Levy;  T. Lohse;  I. Lypova;  J. Mackey;  J. Majumdar;  D. Malyshev;  D. Malyshev;  V. Marandon;  P. Marchegiani;  A. Marcowith;  A. Mares;  G. Martí-Devesa;  R. Marx;  G. Maurin;  P. J. Meintjes;  M. Meyer;  A. Mitchell;  R. Moderski;  L. Mohrmann;  A. Montanari;  C. Moore;  P. Morris;  E. Moulin;  J. Muller;  T. Murach;  K. Nakashima;  A. Nayerhoda;  M. de Naurois;  H. Ndiyavala;  J. Niemiec;  L. Oakes;  P. O’Brien;  H. Odaka;  S. Ohm;  L. Olivera-Nieto;  E. de Ona Wilhelmi;  M. Ostrowski;  S. Panny;  M. Panter;  R. D. Parsons;  G. Peron;  B. Peyaud;  Q. Piel;  S. Pita;  V. Poireau;  A. Priyana Noel;  D. A. Prokhorov;  H. Prokoph;  G. Pühlhofer;  M. Punch;  A. Quirrenbach;  S. Raab;  R. Rauth;  P. Reichherzer;  A. Reimer;  O. Reimer;  Q. Remy;  M. Renaud;  F. Rieger;  L. Rinchiuso;  C. Romoli;  G. Rowell;  B. Rudak;  E. Ruiz-Velasco;  V. Sahakian;  S. Sailer;  H. Salzmann;  D. A. Sanchez;  A. Santangelo;  M. Sasaki;  M. Scalici;  J. Schäfer;  F. Schüssler;  H. M. Schutte;  U. Schwanke;  M. Seglar-Arroyo;  M. Senniappan;  A. S. Seyffert;  N. Shafi;  J. N. S. Shapopi;  K. Shiningayamwe;  R. Simoni;  A. Sinha;  H. Sol;  A. Specovius;  S. Spencer;  M. Spir-Jacob;  Ł. Stawarz;  L. Sun;  R. Steenkamp;  C. Stegmann;  S. Steinmassl;  C. Steppa;  T. Takahashi;  T. Tam;  T. Tavernier;  A. M. Taylor;  R. Terrier;  J. H. E. Thiersen;  D. Tiziani;  M. Tluczykont;  L. Tomankova;  M. Tsirou;  R. Tuffs;  Y. Uchiyama;  D. J. van der Walt;  C. van Eldik;  C. van Rensburg;  B. van Soelen;  G. Vasileiadis;  J. Veh;  C. Venter;  P. Vincent;  J. Vink;  H. J. Völk;  Z. Wadiasingh;  S. J. Wagner;  J. Watson;  F. Werner;  R. White;  A. Wierzcholska;  Yu Wun Wong;  A. Yusafzai;  M. Zacharias;  R. Zanin;  D. Zargaryan;  A. A. Zdziarski;  A. Zech;  S. J. Zhu;  J. Zorn;  S. Zouari;  N. Żywucka;  P. Evans;  K. Page
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Fine root dynamics across pantropical rainforest ecosystems 期刊论文
Global Change Biology, 2021
作者:  Walter Huaraca Huasco;  Terhi Riutta;  ;  cile A. J. Girardin;  Fernando Hancco Pacha;  Beisit L. Puma Vilca;  Sam Moore;  Sami W. Rifai;  Jhon del Aguila-Pasquel;  Alejandro Araujo Murakami;  Renata Freitag;  Alexandra C. Morel;  Sheleme Demissie;  Christopher E. Doughty;  Imma Oliveras;  Darcy F. Galiano Cabrera;  Liliana Durand Baca;  Filio Farfá;  n Amé;  zquita;  Javier E. Silva Espejo;  Antonio C.L. da Costa;  Erick Oblitas Mendoza;  Carlos Alberto Quesada;  Fidele Evouna Ondo;  Josué;  Edzang Ndong;  Kathryn J. Jeffery;  Vianet Mihindou;  Lee J. T. White;  Natacha N'ssi Bengone;  Forzia Ibrahim;  Shalom D. Addo-Danso;  Akwasi Duah-Gyamfi;  Gloria Djaney Djagbletey;  Kennedy Owusu-Afriyie;  Lucy Amissah;  Armel T. Mbou;  Toby R. Marthews;  Daniel B. Metcalfe;  Luiz E. O. Aragã;  o;  Ben H. Marimon-Junior;  Beatriz S. Marimon;  Noreen Majalap;  Stephen Adu-Bredu;  Katharine A. Abernethy;  Miles Silman;  Robert M. Ewers;  Patrick Meir;  Yadvinder Malhi
收藏  |  浏览/下载:18/0  |  提交时间:2021/06/15
Resistance of African tropical forests to an extreme climate anomaly 期刊论文
Proceedings of the National Academy of Sciences, 2021
作者:  Amy C. Bennett;  Greta C. Dargie;  Aida Cuni-Sanchez;  John Tshibamba Mukendi;  Wannes Hubau;  Jacques M. Mukinzi;  Oliver L. Phillips;  Yadvinder Malhi;  Martin J. P. Sullivan;  Declan L. M. Cooper;  Stephen Adu-Bredu;  Kofi Affum-Baffoe;  Christian A. Amani;  Lindsay F. Banin;  Hans Beeckman;  Serge K. Begne;  Yannick E. Bocko;  Pascal Boeckx;  Jan Bogaert;  Terry Brncic;  Eric Chezeaux;  Connie J. Clark;  Armandu K. Daniels;  Thales de Haulleville;  Marie-Noël Djuikouo Kamdem;  Jean-Louis Doucet;  Fidèle Evouna Ondo;  Corneille E. N. Ewango;  Ted R. Feldpausch;  Ernest G. Foli;  Christelle Gonmadje;  Jefferson S. Hall;  Olivier J. Hardy;  David J. Harris;  Suspense A. Ifo;  Kathryn J. Jeffery;  Elizabeth Kearsley;  Miguel Leal;  Aurora Levesley;  Jean-Remy Makana;  Faustin Mbayu Lukasu;  Vincent P. Medjibe;  Vianet Mihindu;  Sam Moore;  Natacha Nssi Begone;  Georgia C. Pickavance;  John R. Poulsen;  Jan Reitsma;  Bonaventure Sonké;  Terry C. H. Sunderland;  Hermann Taedoumg;  Joey Talbot;  Darlington S. Tuagben;  Peter M. Umunay;  Hans Verbeeck;  Jason Vleminckx;  Lee J. T. White;  Hannsjoerg Woell;  John T. Woods;  Lise Zemagho;  Simon L. Lewis
收藏  |  浏览/下载:26/0  |  提交时间:2021/06/07
X-ray screening identifies active site and allosteric inhibitors of SARS-CoV-2 main protease 期刊论文
Science, 2021
作者:  Sebastian Günther;  Patrick Y. A. Reinke;  Yaiza Fernández-García;  Julia Lieske;  Thomas J. Lane;  Helen M. Ginn;  Faisal H. M. Koua;  Christiane Ehrt;  Wiebke Ewert;  Dominik Oberthuer;  Oleksandr Yefanov;  Susanne Meier;  Kristina Lorenzen;  Boris Krichel;  Janine-Denise Kopicki;  Luca Gelisio;  Wolfgang Brehm;  Ilona Dunkel;  Brandon Seychell;  Henry Gieseler;  Brenna Norton-Baker;  Beatriz Escudero-Pérez;  Martin Domaracky;  Sofiane Saouane;  Alexandra Tolstikova;  Thomas A. White;  Anna Hänle;  Michael Groessler;  Holger Fleckenstein;  Fabian Trost;  Marina Galchenkova;  Yaroslav Gevorkov;  Chufeng Li;  Salah Awel;  Ariana Peck;  Miriam Barthelmess;  Frank Schlünzen;  P. Lourdu Xavier;  Nadine Werner;  Hina Andaleeb;  Najeeb Ullah;  Sven Falke;  Vasundara Srinivasan;  Bruno Alves França;  Martin Schwinzer;  Hévila Brognaro;  Cromarte Rogers;  Diogo Melo;  Joanna J. Zaitseva-Doyle;  Juraj Knoska;  Gisel E. Peña-Murillo;  Aida Rahmani Mashhour;  Vincent Hennicke;  Pontus Fischer;  Johanna Hakanpää;  Jan Meyer;  Philip Gribbon;  Bernhard Ellinger;  Maria Kuzikov;  Markus Wolf;  Andrea R. Beccari;  Gleb Bourenkov;  David von Stetten;  Guillaume Pompidor;  Isabel Bento;  Saravanan Panneerselvam;  Ivars Karpics;  Thomas R. Schneider;  Maria Marta Garcia-Alai;  Stephan Niebling;  Christian Günther;  Christina Schmidt;  Robin Schubert;  Huijong Han;  Juliane Boger;  Diana C. F. Monteiro;  Linlin Zhang;  Xinyuanyuan Sun;  Jonathan Pletzer-Zelgert;  Jan Wollenhaupt;  Christian G. Feiler;  Manfred S. Weiss;  Eike-Christian Schulz;  Pedram Mehrabi;  Katarina Karničar;  Aleksandra Usenik;  Jure Loboda;  Henning Tidow;  Ashwin Chari;  Rolf Hilgenfeld;  Charlotte Uetrecht;  Russell Cox;  Andrea Zaliani;  Tobias Beck;  Matthias Rarey;  Stephan Günther;  Dusan Turk;  Winfried Hinrichs;  Henry N. Chapman;  Arwen R. Pearson;  Christian Betzel;  Alke Meents
收藏  |  浏览/下载:14/0  |  提交时间:2021/05/14
BPA, Parabens, and Phthalates in Relation to Endometrial Cancer Risk: A Case–Control Study Nested in the Multiethnic Cohort 期刊论文
Environmental Health Perspectives, 2021
作者:  Danja Sarink;  Adrian A. Franke;  Kami K. White;  Anna H. Wu;  Iona Cheng;  Brandon Quon;  Loïc Le Marchand;  Lynne R. Wilkens;  Herbert Yu;  Melissa A. Merritt
收藏  |  浏览/下载:8/0  |  提交时间:2021/05/14
De novo design of transmembrane β barrels 期刊论文
Science, 2021
作者:  Anastassia A. Vorobieva;  Paul White;  Binyong Liang;  Jim E. Horne;  Asim K. Bera;  Cameron M. Chow;  Stacey Gerben;  Sinduja Marx;  Alex Kang;  Alyssa Q. Stiving;  Sophie R. Harvey;  Dagan C. Marx;  G. Nasir Khan;  Karen G. Fleming;  Vicki H. Wysocki;  David J. Brockwell;  Lukas K. Tamm;  Sheena E. Radford;  David Baker
收藏  |  浏览/下载:8/0  |  提交时间:2021/02/22
Shear‐wave velocity structure of the southern African upper mantle: Implications for craton structure and plateau uplift 期刊论文
Geophysical Research Letters, 2021
作者:  A. L. White‐;  Gaynor;  A. A. Nyblade;  R.J. Durrheim;  R. Raveloson;  Meijde van der;  I. M. Fadel;  H. Paulssen;  M. Kwadiba;  O. Ntibinyane;  N. Titus;  M. Sitali
收藏  |  浏览/下载:9/0  |  提交时间:2021/02/22
Comparative host-coronavirus protein interaction networks reveal pan-viral disease mechanisms 期刊论文
Science, 2020
作者:  David E. Gordon;  Joseph Hiatt;  Mehdi Bouhaddou;  Veronica V. Rezelj;  Svenja Ulferts;  Hannes Braberg;  Alexander S. Jureka;  Kirsten Obernier;  Jeffrey Z. Guo;  Jyoti Batra;  Robyn M. Kaake;  Andrew R. Weckstein;  Tristan W. Owens;  Meghna Gupta;  Sergei Pourmal;  Erron W. Titus;  Merve Cakir;  Margaret Soucheray;  Michael McGregor;  Zeynep Cakir;  Gwendolyn Jang;  Matthew J. O’Meara;  Tia A. Tummino;  Ziyang Zhang;  Helene Foussard;  Ajda Rojc;  Yuan Zhou;  Dmitry Kuchenov;  Ruth Hüttenhain;  Jiewei Xu;  Manon Eckhardt;  Danielle L. Swaney;  Jacqueline M. Fabius;  Manisha Ummadi;  Beril Tutuncuoglu;  Ujjwal Rathore;  Maya Modak;  Paige Haas;  Kelsey M. Haas;  Zun Zar Chi Naing;  Ernst H. Pulido;  Ying Shi;  Inigo Barrio-Hernandez;  Danish Memon;  Eirini Petsalaki;  Alistair Dunham;  Miguel Correa Marrero;  David Burke;  Cassandra Koh;  Thomas Vallet;  Jesus A. Silvas;  Caleigh M. Azumaya;  Christian Billesbølle;  Axel F. Brilot;  Melody G. Campbell;  Amy Diallo;  Miles Sasha Dickinson;  Devan Diwanji;  Nadia Herrera;  Nick Hoppe;  Huong T. Kratochvil;  Yanxin Liu;  Gregory E. Merz;  Michelle Moritz;  Henry C. Nguyen;  Carlos Nowotny;  Cristina Puchades;  Alexandrea N. Rizo;  Ursula Schulze-Gahmen;  Amber M. Smith;  Ming Sun;  Iris D. Young;  Jianhua Zhao;  Daniel Asarnow;  Justin Biel;  Alisa Bowen;  Julian R. Braxton;  Jen Chen;  Cynthia M. Chio;  Un Seng Chio;  Ishan Deshpande;  Loan Doan;  Bryan Faust;  Sebastian Flores;  Mingliang Jin;  Kate Kim;  Victor L. Lam;  Fei Li;  Junrui Li;  Yen-Li Li;  Yang Li;  Xi Liu;  Megan Lo;  Kyle E. Lopez;  Arthur A. Melo;  Frank R. Moss;  Phuong Nguyen;  Joana Paulino;  Komal Ishwar Pawar;  Jessica K. Peters;  Thomas H. Pospiech;  Maliheh Safari;  Smriti Sangwan;  Kaitlin Schaefer;  Paul V. Thomas;  Aye C. Thwin;  Raphael Trenker;  Eric Tse;  Tsz Kin Martin Tsui;  Feng Wang;  Natalie Whitis;  Zanlin Yu;  Kaihua Zhang;  Yang Zhang;  Fengbo Zhou;  Daniel Saltzberg;  QCRG Structural Biology Consortium12†;  Anthony J. Hodder;  Amber S. Shun-Shion;  Daniel M. Williams;  Kris M. White;  Romel Rosales;  Thomas Kehrer;  Lisa Miorin;  Elena Moreno;  Arvind H. Patel;  Suzannah Rihn;  Mir M. Khalid;  Albert Vallejo-Gracia;  Parinaz Fozouni;  Camille R. Simoneau;  Theodore L. Roth;  David Wu;  Mohd Anisul Karim;  Maya Ghoussaini;  Ian Dunham;  Francesco Berardi;  Sebastian Weigang;  Maxime Chazal;  Jisoo Park;  James Logue;  Marisa McGrath;  Stuart Weston;  Robert Haupt;  C. James Hastie;  Matthew Elliott;  Fiona Brown;  Kerry A. Burness;  Elaine Reid;  Mark Dorward;  Clare Johnson;  Stuart G. Wilkinson;  Anna Geyer;  Daniel M. Giesel;  Carla Baillie;  Samantha Raggett;  Hannah Leech;  Rachel Toth;  Nicola Goodman;  Kathleen C. Keough;  Abigail L. Lind;  Zoonomia Consortium‡;  Reyna J. Klesh;  Kafi R. Hemphill;  Jared Carlson-Stevermer;  Jennifer Oki;  Kevin Holden;  Travis Maures;  Katherine S. Pollard;  Andrej Sali;  David A. Agard;  Yifan Cheng;  James S. Fraser;  Adam Frost;  Natalia Jura;  Tanja Kortemme;  Aashish Manglik;  Daniel R. Southworth;  Robert M. Stroud;  Dario R. Alessi;  Paul Davies;  Matthew B. Frieman;  Trey Ideker;  Carmen Abate;  Nolwenn Jouvenet;  Georg Kochs;  Brian Shoichet;  Melanie Ott;  Massimo Palmarini;  Kevan M. Shokat;  Adolfo García-Sastre;  Jeremy A. Rassen;  Robert Grosse;  Oren S. Rosenberg;  Kliment A. Verba;  Christopher F. Basler;  Marco Vignuzzi;  Andrew A. Peden;  Pedro Beltrao;  Nevan J. Krogan
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Monumental architecture at Aguada Fenix and the rise of Maya civilization 期刊论文
NATURE, 2020
作者:  Bedding, Timothy R.;  Murphy, Simon J.;  Hey, Daniel R.;  Huber, Daniel;  Li, Tanda;  Smalley, Barry;  Stello, Dennis;  White, Timothy R.;  Ball, Warrick H.;  Chaplin, William J.;  Colman, Isabel L.;  Fuller, Jim;  Gaidos, Eric;  Harbeck, Daniel R.;  Hermes, J. J.;  Holdsworth, Daniel L.;  Li, Gang;  Li, Yaguang;  Mann, Andrew W.;  Reese, Daniel R.;  Sekaran, Sanjay;  Yu, Jie;  Antoci, Victoria;  Bergmann, Christoph;  Brown, Timothy M.;  Howard, Andrew W.;  Ireland, Michael J.;  Isaacson, Howard;  Jenkins, Jon M.;  Kjeldsen, Hans;  McCully, Curtis;  Rabus, Markus;  Rains, Adam D.;  Ricker, George R.;  Tinney, Christopher G.;  Vanderspek, Roland K.
收藏  |  浏览/下载:30/0  |  提交时间:2020/07/03

Archaeologists have traditionally thought that the development of Maya civilization was gradual, assuming that small villages began to emerge during the Middle Preclassic period (1000-350 bc  dates are calibrated throughout) along with the use of ceramics and the adoption of sedentism(1). Recent finds of early ceremonial complexes are beginning to challenge this model. Here we describe an airborne lidar survey and excavations of the previously unknown site of Aguada Fenix (Tabasco, Mexico) with an artificial plateau, which measures 1,400 m in length and 10 to 15 m in height and has 9 causeways radiating out from it. We dated this construction to between 1000 and 800 bc using a Bayesian analysis of radiocarbon dates. To our knowledge, this is the oldest monumental construction ever found in the Maya area and the largest in the entire pre-Hispanic history of the region. Although the site exhibits some similarities to the earlier Olmec centre of San Lorenzo, the community of Aguada Fenix probably did not have marked social inequality comparable to that of San Lorenzo. Aguada Fenix and other ceremonial complexes of the same period suggest the importance of communal work in the initial development of Maya civilization.


Lidar survey of the Maya lowlands uncovers the monumental site of Aguada Fenix, which dates to around 1000-800 bc and points to the role of communal construction in the development of Maya civilization.


  
Asynchronous carbon sink saturation in African and Amazonian tropical forests 期刊论文
NATURE, 2020, 579 (7797) : 80-+
作者:  Wannes Hubau;  Simon L. Lewis;  Oliver L. Phillips;  Kofi Affum-Baffoe;  Hans Beeckman;  Aida Cuní;  -Sanchez;  Armandu K. Daniels;  Corneille E. N. Ewango;  Sophie Fauset;  Jacques M. Mukinzi;  Douglas Sheil;  Bonaventure Sonké;  Martin J. P. Sullivan;  Terry C. H. Sunderland;  Hermann Taedoumg;  Sean C. Thomas;  Lee J. T. White;  Katharine A. Abernethy;  Stephen Adu-Bredu;  Christian A. Amani;  Timothy R. Baker;  Lindsay F. Banin;  Fidè;  le Baya;  Serge K. Begne;  Amy C. Bennett;  Fabrice Benedet;  Robert Bitariho;  Yannick E. Bocko;  Pascal Boeckx;  Patrick Boundja;  Roel J. W. Brienen;  Terry Brncic;  Eric Chezeaux;  George B. Chuyong;  Connie J. Clark;  Murray Collins;  James A. Comiskey;  David A. Coomes;  Greta C. Dargie;  Thales de Haulleville;  Marie Noel Djuikouo Kamdem;  Jean-Louis Doucet;  Adriane Esquivel-Muelbert;  Ted R. Feldpausch;  Alusine Fofanah;  Ernest G. Foli;  Martin Gilpin;  Emanuel Gloor;  Christelle Gonmadje;  Sylvie Gourlet-Fleury;  Jefferson S. Hall;  Alan C. Hamilton;  David J. Harris;  Terese B. Hart;  Mireille B. N. Hockemba;  Annette Hladik;  Suspense A. Ifo;  Kathryn J. Jeffery;  Tommaso Jucker;  Emmanuel Kasongo Yakusu;  Elizabeth Kearsley;  David Kenfack;  Alexander Koch;  Miguel E. Leal;  Aurora Levesley;  Jeremy A. Lindsell;  Janvier Lisingo;  Gabriela Lopez-Gonzalez;  Jon C. Lovett;  Jean-Remy Makana;  Yadvinder Malhi;  Andrew R. Marshall;  Jim Martin;  Emanuel H. Martin;  Faustin M. Mbayu;  Vincent P. Medjibe;  Vianet Mihindou;  Edward T. A. Mitchard;  Sam Moore;  Pantaleo K. T. Munishi;  Natacha Nssi Bengone;  Lucas Ojo;  Fidè;  le Evouna Ondo;  Kelvin S.-H. Peh;  Georgia C. Pickavance;  Axel Dalberg Poulsen;  John R. Poulsen;  Lan Qie;  Jan Reitsma;  Francesco Rovero;  Michael D. Swaine;  Joey Talbot;  James Taplin;  David M. Taylor;  Duncan W. Thomas;  Benjamin Toirambe;  John Tshibamba Mukendi;  Darlington Tuagben;  Peter M. Umunay;  Geertje M. F. van der Heijden;  Hans Verbeeck;  Jason Vleminckx;  Simon Willcock;  Hannsjö;  rg Wö;  ll;  John T. Woods;  Lise Zemagho
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Structurally intact tropical forests sequestered about half of the global terrestrial carbon uptake over the 1990s and early 2000s, removing about 15 per cent of anthropogenic carbon dioxide emissions(1-3). Climate-driven vegetation models typically predict that this tropical forest '  carbon sink'  will continue for decades(4,5). Here we assess trends in the carbon sink using 244 structurally intact African tropical forests spanning 11 countries, compare them with 321 published plots from Amazonia and investigate the underlying drivers of the trends. The carbon sink in live aboveground biomass in intact African tropical forests has been stable for the three decades to 2015, at 0.66 tonnes of carbon per hectare per year (95 per cent confidence interval 0.53-0.79), in contrast to the long-term decline in Amazonian forests(6). Therefore the carbon sink responses of Earth'  s two largest expanses of tropical forest have diverged. The difference is largely driven by carbon losses from tree mortality, with no detectable multi-decadal trend in Africa and a long-term increase in Amazonia. Both continents show increasing tree growth, consistent with the expected net effect of rising atmospheric carbon dioxide and air temperature(7-9). Despite the past stability of the African carbon sink, our most intensively monitored plots suggest a post-2010 increase in carbon losses, delayed compared to Amazonia, indicating asynchronous carbon sink saturation on the two continents. A statistical model including carbon dioxide, temperature, drought and forest dynamics accounts for the observed trends and indicates a long-term future decline in the African sink, whereas the Amazonian sink continues to weaken rapidly. Overall, the uptake of carbon into Earth'  s intact tropical forests peaked in the 1990s. Given that the global terrestrial carbon sink is increasing in size, independent observations indicating greater recent carbon uptake into the Northern Hemisphere landmass(10) reinforce our conclusion that the intact tropical forest carbon sink has already peaked. This saturation and ongoing decline of the tropical forest carbon sink has consequences for policies intended to stabilize Earth'  s climate.