Article dans une revue 30/01/2026
Synthesised database of wild bee and hoverfly records in Europe
Ahlam Sentil , Marija Miličić , Jordan Benrezkallah , Jelena Ačanski , Andrijana Andrić , Matthieu Aubert , Ignasi Bartomeus , Paolo Biella , Mira Boustani , Leif Bloss Carstensen , Petr Bogusch , Sander Bot , Thomas Brau , Eduardas Budrys , Lisette Cantú Salazar , Andree Cappellari , Frédéric Carion , Sílvia Castro , Simon Cavaillès , Pierfilippo Cerretti
Article dans une revue 28/01/2026
A benchmark of expert-level academic questions to assess AI capabilities
Long Phan , Alice Gatti , Ziwen Han , Nathaniel Li , Josephina Hu , Hugh Zhang , Sean Shi , Michael Choi , Anish Agrawal , Arnav Chopra , Adam Khoja , Ryan Kim , Jason Hausenloy , Oliver Zhang , Mantas Mazeika , Daron Anderson , Tung Nguyen , Mobeen Mahmood , Fiona Feng , Steven Y. Feng
Article dans une revue 28/01/2026
Possible exposure to unidentified coronaviruses in roe deer (Capreolus capreolus) populations suggested by SARS-CoV-2 serological investigation in France
Grégoire Perez , Lucas D Lalande , Vincent Legros , Angéli Kodjo , Hélène Verheyden , Vincent Bourret , Nicolas Cebe , Yannick Chaval , Paul Revelli , Maryline Pellerin , Jean-François Lemaître , Carole Peroz , Benjamin Rey , François Débias , Rebecca Garcia , Gilles Bourgoin , Emmanuelle Gilot-Fromont
28/01/2026
Evidence for the rare decay $B^{+} \to \bar Λp μ^{+} μ^{-}$
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
Article dans une revue 28/01/2026
A benchmark of expert-level academic questions to assess AI capabilities
Long Phan , Alice Gatti , Ziwen Han , Nathaniel Li , Josephina Hu , Hugh Zhang , Sean Shi , Michael Choi , Anish Agrawal , Arnav Chopra , Adam Khoja , Ryan Kim , Jason Hausenloy , Oliver Zhang , Mantas Mazeika , Daron Anderson , Tung Nguyen , Mobeen Mahmood , Fiona Feng , Steven Y. Feng
27/01/2026
Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
Georges Aad , Erlend Aakvaag , Braden Keim Abbott , Sara Abdelhameed , Kira Abeling , Nils Julius Abicht , Haider Abidi , Mohammed Aboelela , Asmaa Aboulhorma , Halina Abramowicz , Bobby Samir Acharya , Anke Ackermann , Claire Adam Bourdarios , Leszek Adamczyk , Sagar Addepalli , Matthew John Addison , Jahred Adelman , Aytul Adiguzel , Tim Adye , Tony Affolder
27/01/2026
Search for lepton-number-violating $B^-\to D^{(*)+}μ^-μ^-$ decays
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
27/01/2026
Search for dark matter produced in association with a Higgs boson decaying to bottom quarks in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari , Mangesh Sonawane , Wolfgang Waltenberger
23/01/2026
Machine learning techniques for jet reconstruction at LHCb and application to the search for $H \to b \bar{b}$ and $H \to c \bar{c}$ in $\sqrt{s}=13$ TeV $pp$ collisions
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
22/01/2026
Search for long-lived particles using displaced vertices of oppositely charged leptons in 140 fb$^{-1}$ of pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Georges Aad , Erlend Aakvaag , Braden Keim Abbott , Sara Abdelhameed , Kira Abeling , Nils Julius Abicht , Haider Abidi , Mohammed Aboelela , Asmaa Aboulhorma , Halina Abramowicz , Yiming Abulaiti , Bobby Samir Acharya , Anke Ackermann , Claire Adam Bourdarios , Leszek Adamczyk , Sagar Addepalli , Matthew John Addison , Jahred Adelman , Aytul Adiguzel , Tim Adye
21/01/2026
One- and three-dimensional identical charged-kaon femtoscopic correlations in Pb--Pb collisions at $\mathbf{ \sqrt{s_\mathrm{NN}}=5.02}$ TeV
Ibrahim Jaser Abualrob , Shreyasi Acharya , Gianluca Aglieri Rinella , Luca Aglietta , Neelima Agrawal , Zubayer Ahammed , Shakeel Ahmad , Ishaan Ahuja , Zulkaida Akbar , Alexander Akindinov , Valentina Akishina , Mohammad Al-Turany , Dmitry Aleksandrov , Bruno Alessandro , Jose Ruben Alfaro Molina , Bushra Ali , Andrea Alici , Anton Alkin , Johan Alme , Giacomo Alocco
20/01/2026
Search for a boosted Higgs boson decaying to bottom quark pairs in association with a W or Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Janik Walter Andrejkovic , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Ivan Mikulec , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari
15/01/2026
First evidence of the $B_s^0\rightarrow K^-π^+γ$ decay
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
15/01/2026
Measurement of the Higgs boson total decay width using the H $\to$ WW $\to$ e$νμν$ decay channel in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Jochen Schieck , Robert Schöfbeck , Maryam Shooshtari , Mangesh Sonawane , Wolfgang Waltenberger , Claudia-Elisabeth Wulz , Tahys Janssen
Article dans une revue 15/01/2026
Macrophage MR1 antigen presentation promotes MAIT cell immunity and lung microbiota modulation
Jieru Deng , Yuting Yan , Xiaoyue Zhang , Calum Walsh , Emmanuel Montassier , Debajyoti Sinha , Huimeng Wang , Atieh Mousavizadeh , Mitra Ashayeripanah , Jeffrey Mak , Hui-Fern Koay , Tobias Poch , Yannick Alexandre , Scott Mueller , Ajithkumar Vasanthakumar , Tim Stinear , Vanta Jameson , Alexis Perez-Gonzalez , Jenny Kingham , Tri Giang Phan
Article dans une revue 13/01/2026
Association Between Recreational Drug Use and Cardiovascular Events Post-Hospitalization in France
Raphael Mirailles , Clement Delmas , Solenn Toupin , Claire Bouleti , Antonin Trimaille , Guillaume Schurtz , Nicolas Piliero , Stéphane Andrieu , Benoît Lattuca , Reza Rossanaly Vasram , Pascal Lim , Nathalie Noirclerc , Marc Goralski , Antoine Deney , François Roubille , Charles Fauvel , Thomas Bochaton , Franck Boccara , Edouard Gerbaud , Etienne Puymirat
Article dans une revue 08/01/2026
Effect of high-dose baclofen on post-traumatic stress disorder symptoms five years after hospitalization among critically ill patients with unhealthy alcohol use
Marwan Bouras , Karim Asehnoune , Yann Robert-Valli , Pierre-Joachim Mahe , Jean Reignier , Adel Maamar , Jean-Claude Lacherade , Maud Jonas , Boris Jung , Martine Ferrandiere , Samir Jaber , Laurent Flet , Mikael Moriconi , Sigismond Lasocki , Roland Smonig , Christophe Guitton , Stephan Ehrmann , Bertrand Rozec , Christelle Volteau , Mickael Vourc’h
Article dans une revue 08/01/2026
Effect of high-dose baclofen on post-traumatic stress disorder symptoms five years after hospitalization among critically ill patients with unhealthy alcohol use
Marwan Bouras , Karim Asehnoune , Yann Robert-Valli , Pierre-Joachim Mahe , Jean Reignier , Adel Maamar , Jean-Claude Lacherade , Maud Jonas , Boris Jung , Martine Ferrandiere , Samir Jaber , Laurent Flet , Mikael Moriconi , Sigismond Lasocki , Roland Smonig , Christophe Guitton , Stephan Ehrmann , Bertrand Rozec , Christelle Volteau , Mickael Vourc’h
06/01/2026
A comprehensive analysis of the $B^0\to K^{*0}μ^+μ^-$ decay
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
06/01/2026
Machine-learning techniques for model-independent searches in dijet final states
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Jochen Schieck , Robert Schöfbeck , Maryam Shooshtari , Mangesh Sonawane , Wolfgang Waltenberger , Claudia-Elisabeth Wulz
06/01/2026
Search for exotic Higgs boson decays H $\to$$\mathcal{AA}$ with $\mathcal{AA}$$\to$$γγ$ in events with a semi-merged topology in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Janik Walter Andrejkovic , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Ivan Mikulec , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari
Article dans une revue 06/01/2026
Levosimendan to Facilitate Weaning From ECMO in Patients With Severe Cardiogenic Shock
Alain Combes , Ouriel Saura , Nicolas Nesseler , Said Lebbah , Bertrand Rozec , Bruno Levy , Jean-Luc Fellahi , Antoine Beurton , Simon Meslin , Philippe Gaudard , Adrien Bouglé , André Vincentelli , Romain Sonneville , Guillaume Lebreton , David Lévy , Alexandre Ouattara , Florence Tubach , Juliette Chommeloux , Grégoire del Marmol , Guillaume Hékimian
06/01/2026
Search for charged Higgs bosons decaying into top and bottom quarks in lepton+jets final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari , Mangesh Sonawane , Wolfgang Waltenberger
06/01/2026
Search for ttbar resonances in final states with exactly one or two leptons using 140 fb$^{-1}$ of pp collision data at $\sqrt{s}=13$ TeV with the ATLAS experiment
Georges Aad , Erlend Aakvaag , Braden Keim Abbott , Sara Abdelhameed , Kira Abeling , Nils Julius Abicht , Haider Abidi , Mohammed Aboelela , Asmaa Aboulhorma , Halina Abramowicz , Bobby Samir Acharya , Anke Ackermann , Claire Adam Bourdarios , Leszek Adamczyk , Sagar Addepalli , Matthew John Addison , Jahred Adelman , Aytul Adiguzel , Tim Adye , Tony Affolder
Article dans une revue 03/01/2026
Results of the Randomized Phase 3 AFU-GETUG-20 Trial Evaluating Adjuvant Leuprorelin Acetate After Radical Prostatectomy in Men with High-risk Localized Prostate Cancer
François Rozet , Alain Ruffion , Pablo Lemercier , Michel Soulié , Gregoire Robert , Jochen Walz , Alexandre de La Taille , Laurent Salomon , Christian Pfister-Langanay , Romain Mathieu , Sebastien Vincendeau , Aurelien Descazaud , Igor Latorzeff , Laurent Brureau , Marc Colombel , Morgan Rouprêt , Lise Roca , Christelle Perez , Sébastien Marion , Eric Barret
Article dans une revue 01/01/2026
Characterization of the quantum state of top quark pairs produced in proton-proton collisions at $\sqrt{s}$ = 13 TeV using the beam and helicity bases
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Jochen Schieck , Robert Schöfbeck , Maryam Shooshtari , Mangesh Sonawane , Wolfgang Waltenberger , Claudia-Elisabeth Wulz , Tahys Janssen
Article dans une revue 01/01/2026
First evidence of $CP$ violation in beauty baryon to charmonium decays
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Zakariya Aliouche , Paula Alvarez Cartelle
Article dans une revue 01/01/2026
Vector boson scattering and anomalous quartic couplings in final states with $\ellν$qq or $\ell\ell$qq plus jets using proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Janik Walter Andrejkovic , Lisa Benato , Thomas Bergauer , Konstantinos Damanakis , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Ivan Mikulec , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari
Article dans une revue 01/01/2026
Observation of the rare baryonic decay $B^{+}\rightarrow p \bar{\itΛ}$ and measurement of its weak decay parameter
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle , Renaud Amalric
Article dans une revue 01/01/2026
Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Janik Walter Andrejkovic , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Ivan Mikulec , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari , Mangesh Sonawane
Article dans une revue 01/01/2026
First observation of $CP$ violation and measurement of polarization in $B^+\toρ(770)^0 K^*(892)^+$ decays
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle , Renaud Amalric
Article dans une revue 01/01/2026
Measurement of $C\!P$ asymmetry in $D^0 \to K^0_{\rm S} K^0_{\rm S}$ decays with the LHCb Upgrade I detector
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
Article dans une revue 01/01/2026
Clinical characteristics, management and outcomes of enterococcal infective endocarditis: an ancillary study from the ESC-EORP EURO-ENDO registry
Mary Philip , Robinson Gravier Dumonceau , Rodolfo Citro , Bernard Cosyns , Erwan Donal , Paola Anna Erba , Frédérique Gouriet , Bernard Iung , William Kong , Patrizio Lancellotti , Aldo Maggioni , Julien Mancini , Bogdan Popescu , Bernard Prendergast , Antonia Sambola , Shantanu Sengupta , Ana Timoteo , Christophe Tribouilloy , Joost van Melle , Roch Giorgi
Article dans une revue 01/01/2026
Search for resonances decaying to an anomalous jet and a Higgs boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Aram Hayrapetyan , Vladimir Makarenko , Armen Tumasyan , Wolfgang Adam , Janik Walter Andrejkovic , Lisa Benato , Thomas Bergauer , Marko Dragicevic , Cristina Giordano , Priya Sajid Hussain , Manfred Jeitler , Natascha Krammer , Ang Li , Dietrich Liko , Mark Matthewman , Ivan Mikulec , Jochen Schieck , Robert Schöfbeck , Dennis Schwarz , Maryam Shooshtari
Article dans une revue 01/01/2026
Measurement of the branching fraction of the $Λ_b^0\to JψΛ$ decay and isospin asymmetry of $B\to JψK$ decays
Roel Aaij , Ahmed Sameh Wagih Abdelmotteleb , Carlos Abellan Beteta , Fernando Jesus Abudinén , Thomas Ackernley , Ayomide Matthew Adefisoye , Bernardo Adeva , Marco Adinolfi , Patrik Harri Adlarson , Christina Agapopoulou , Christine Angela Aidala , Ziad Ajaltouni , Simon Akar , Kazuyoshi Akiba , Muzammil Akthar , Pietro Albicocco , Johannes Albrecht , Ramunas Aleksiejunas , Federico Alessio , Paula Alvarez Cartelle
Article dans une revue 01/01/2026
Biology and Clinical Management of Non-V600 BRAF Alterations in NSCLC
Sandra Ortiz-Cuaran , Laurine Dupriez , Constance Nicq , Colin Lindsay , Julien Mazières , David Santamaría , Chiara Ambrogio , Olivier Calvayrac , Cristina Teixido , Luc Friboulet , Silvia Novello , Fabrizio Tabbò , Aurélie Swalduz , Ernest Nadal , David Planchard , Laura Mezquita , Marie-Julie Nokin
Article dans une revue 01/01/2026
Born to be alive. Isotopic evidence of investment in the survival of immature individuals in the Neolithic period, ecological influences and the construction of social identities
Gwenaëlle Goude , Samuel Bédécarrats , Melie Le Roy , Kerry Sayle , Muriel Gandelin , Ivy Thomson , Yves Gleize , Sylvie Saintot , Frédérique Blaizot , Mélanie Pruvost , Marie-France Deguilloux , Maëlle Couvrat , Apolline Lambert , Laurent Bouby , Guillaume Leduc , Stéphane Rottier
Article dans une revue 01/01/2026
Multiplicity dependence of K$^*(892)^{\pm}$ production in pp collisions at $\sqrt{s}$ = 13 TeV
Ibrahim Jaser Abualrob , Shreyasi Acharya , Gianluca Aglieri Rinella , Luca Aglietta , Michelangelo Agnello , Neelima Agrawal , Zubayer Ahammed , Shakeel Ahmad , Ishaan Ahuja , Zulkaida Akbar , Alexander Akindinov , Valentina Akishina , Mohammad Al-Turany , Dmitry Aleksandrov , Bruno Alessandro , Haidar Mas'Ud Alfanda , Jose Ruben Alfaro Molina , Bushra Ali , Andrea Alici , Anton Alkin