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Recycler le CO2 en méthane

mercredi 22 mars 2023 par Alain Redbran — Physique

Edmond Baratte, jeune docteur du Laboratoire de physique des plasmas, mène un projet associant des technologies plasma afin de produire du méthane à partir de dioxyde de carbone de façon la plus...

Techno-sciences

Les premiers résultats du Very Large Telescope (VLT) de l'impact d'un astéroïde par la mission DART

mercredi 22 mars 2023 par Adrien Bernard — Espace

En utilisant le Very Large Telescope (VLT) de l'ESO, deux équipes d'astronomes ont observé les suites de la collision entre l'engin spatial DART (Double Asteroid Redirection Test) de la NASA et...

Techno-sciences

Covid-19: la combinaison infection-vaccination, meilleure protection d'une réinfection

mercredi 22 mars 2023 par Adrien Bernard — Vie et Terre

Une grande partie de la population a développé une immunité contre le SARS-CoV-2 suite à une infection et/ou à la vaccination. En outre, certains patients infectés bénéficient d'une immunité...

Techno-sciences

Why we need a new economics of water as a common good

mercredi 22 mars 2023 par Johan Rockström, Mariana Mazzucato, Lauren Seaby Andersen, Simon Felix Fahrländer, Dieter Gerten

Nature, Published online: 22 March 2023; doi:10.1038/d41586-023-00800-zAnthropogenic pressures and climate change are altering water flows worldwide. Better understanding, new economic thinking and an international governance framework are needed to stave off (...)

Nature

Beethoven’s cause of death revealed from locks of hair

mercredi 22 mars 2023 par Dyani Lewis

Nature, Published online: 22 March 2023; doi:10.1038/d41586-023-00846-zGenetic sleuthing points to liver disease, viral hepatitis and alcohol consumption as causes of the composer’s demise.

Nature

RHOJ controls EMT-associated resistance to chemotherapy

mercredi 22 mars 2023 par Maud Debaugnies, Sara Rodríguez-Acebes, Jeremy Blondeau, Marie-Astrid Parent, Manuel Zocco, Yura Song, Viviane de Maertelaer, Virginie Moers, Mathilde Latil, Christine Dubois, Katia Coulonval, Francis Impens, Delphi Van Haver, Sara Dufour, Akiyoshi Uemura, Panagiota A. Sotiropoulou, Juan Méndez, Cédric Blanpain

Nature, Published online: 22 March 2023; doi:10.1038/s41586-023-05838-7RHOJ regulates epithelial-to-mesenchymal-transition-associated resistance to chemotherapy by enhancing the response to replicative stress and activating the DNA damage response, enabling tumour cells to rapidly repair DNA (...)

Nature

As the UN meets, make water central to climate action

mercredi 22 mars 2023 par M. Feisal Rahman, Aditi Mukherji, Åse Johannessen, Shilpi Srivastava, Joep Verhagen, Henk Ovink, Willem Ligtvoet, Emmanuel Olet

Nature, Published online: 22 March 2023; doi:10.1038/d41586-023-00793-9Managing water and climate in tandem would protect water resources, reduce disaster risks, lower greenhouse-gas emissions and assure equitable access.

Nature

Continent-wide declines in shallow reef life over a decade of ocean warming

mercredi 22 mars 2023 par Graham J. Edgar, Rick D. Stuart-Smith, Freddie J. Heather, Neville S. Barrett, Emre Turak, Hugh Sweatman, Michael J. Emslie, Danny J. Brock, Jamie Hicks, Ben French, Susan C. Baker, Steffan A. Howe, Alan Jordan, Nathan A. Knott, Peter Mooney, Antonia T. Cooper, Elizabeth S. Oh, German A. Soler, Camille Mellin, Scott D. Ling, Jillian C. Dunic, John W. Turnbull, Paul B. Day, Meryl F. Larkin, Yanir Seroussi, Jemina Stuart-Smith, Ella Clausius, Tom R. Davis, Joe Shields, Derek Shields, Olivia J. Johnson, Yann Herrera Fuchs, Lara Denis-Roy, Tyson Jones, Amanda E. Bates

Nature, Published online: 22 March 2023; doi:10.1038/s41586-023-05833-yA systematic census at 1,636 sites around Australia from 2008 to 2021 finds that more than 30% of shallow invertebrate species in cool latitudes exhibit a high extinction risk due to declining populations and oceanic (...)

Nature

Abel Prize: pioneer of ‘smooth’ physics wins top maths award

mercredi 22 mars 2023 par Davide Castelvecchi

Nature, Published online: 22 March 2023; doi:10.1038/d41586-023-00833-4Luis Caffarelli’s work includes equations underpinning physical phenomena, such as melting ice and flowing liquids.

Nature

Dialogue between specialized gut cells and nerves contributes to sex bias of gut pain

mercredi 22 mars 2023

Nature, Published online: 22 March 2023; doi:10.1038/d41586-023-00450-1A team spanning two continents has identified a gut–nerve conduit that confers abdominal pain in mice. Responses to activation of this conduit reveal a striking sex difference that suggests that the circuit is chronically (...)

Nature