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The Vera C. Rubin Observatory in Chile, beneath an orange sky at sunset.Space · Nov 2, 20262026 ED138: what the candidate for dwarf-planet status really revealsSpotted in Rubin data, this distant body also appears in TESS archives. Its orbit is becoming clearer, but its size and shape remain to be established.Archive view of old Antibes and its seafront, illustrative photograph.AI · Nov 1, 2026In Sophia Antipolis, European AI is also shaped between laboratories and businessesAfter the IASP world conference, Sophia Antipolis’s ambitions raise a practical question: how can AI research, skills and applications be connected?Three people discuss in front of a mathematical blackboard, illustrative photograph.AI · Nov 1, 2026OpenAI and Yang–Mills: understanding the announcement without confusing the evidenceOpenAI claims to have proved existence in quantum physics. The Yang–Mills problem also requires a mass gap: here are the key distinctions for understanding the announcement.Smoke over Borneo seen by satellite, archive image from September 2019.Nature and environment · Nov 1, 2026Fires in Indonesia: understanding the human toll of the smokeCREA estimates that smoke was linked to 3 560 deaths in September 2026. Behind this figure, different methods and environments shed light on the crisis.View of Grenoble, the Isère and the surrounding hills from the area around the Bastille.Innovation · Nov 1, 2026CEA Grenoble: from former reactors to the technologies of tomorrowWhy did CEA Grenoble change direction? From dismantled reactors to the FAMES pilot line, a change of focus to distinguish from ILL’s activities.Croissants on white plates on a wooden table.Food and dining · Nov 1, 2026Award-winning croissants and galettes: what competitions reveal about laminationTwo bakers from Hauts-de-France have been recognised for their precision. Layers of butter, fermentation and consistency: the keys to a successful product go beyond appearance alone.Xiaozhai sinkhole seen from its southern rim, with its limestone cliffs and vegetation, in November 2009.Nature and environment · Nov 1, 2026Xiaozhai Tiankeng: understanding China’s sinkhole and its forestsAt Xiaozhai, the sinkhole reaches a depth of 662 metres, depending on the point of measurement. This spectacular landscape has long been known; research into tiankengs sheds light on the links between landforms, water and living things.Books on wooden shelves behind a table and two chairs.Books · Nov 1, 2026From ‘Rossignol’ to ‘Au-delà du ciel’: utopia still has stories to tellImagining a better world does not eliminate conflict. Three books offer ways to look differently at coexistence, progress and artificial intelligence.Whole hazelnuts in a bowl on a wooden table, illustrative photograph.Innovation · Nov 1, 2026Upgredient: fermented oil cakes to replace some of the cocoaThe project developed by Les Kojiteurs turns hazelnut and sunflower co-products into an aromatic powder. It offers a possible option for sweet recipes, but should not yet be confused with chocolate ready to replace cocoa.Blackboard covered in scientific formulae in chalk; illustrative photograph.AI · Nov 1, 2026AI and scientific evidence: what Lean checks, and what still needs examiningOpenAI’s announcements have revived the question of evidence produced by AI. The logical core, assumptions and results of AlphaProof: key points for assessing them.The Pont des Arts and the Institut de France in Paris, in an autochrome from June 1923.Books · Nov 1, 2026“Le Rappel des oiseaux”: entering Sébastien Lapaque’s award-winning novelThe 2026 Grand Prix du roman goes to Sébastien Lapaque. Based on the available extract, a way into his story: childhood, inheritance and attentiveness to the living world.Artist’s impression of TOI-561 b and its atmosphere above an ocean of magma; illustration published in 2025.Space · Nov 1, 2026TOI-561 b: how Webb is investigating the clouds of a lava planetA study of infrared variations from TOI-561 b favours a highly reflective atmosphere. Here is what Webb is actually measuring, what the models explain and what remains to be verified.
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