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Pedestrians walking along a street in Nairobi, illustrative photograph.Science · Nov 8, 2026Why groups of walkers sometimes turn leftA study conducted in Spain and Japan finds an average bias towards the left in walking experiments. It links this to individual tendencies, without identifying their origin or presenting it as a universal rule.The façade of the Cité des sciences et de l’industrie in Paris, in July 2026.Culture · Nov 8, 2026Magic in Paris, felines in Bordeaux: two exhibitions that offer a different perspectiveThe Cité des sciences explores how we perceive things; the Muséum de Bordeaux places the cat within the feline family. Two ways to choose a science outing that goes beyond spectacle alone.Raindrops form ripples in a puddle on sandy ground.Science · Nov 8, 2026Petrichor: how rain brings the smell of the earth to the surfaceMolecules from soil and plants contribute to the smell of rain. Experiments filmed at very high speed shed light on how raindrops set them circulating again.The instrumentation of the Bernard Lyot Telescope at Pic du Midi, in an archive photograph.Space · Nov 8, 2026At Pic du Midi, a two-metre telescope is betting on precisionThe Bernard Lyot Telescope at Pic du Midi owes its place in research less to the size of its mirror than to the specialised instruments that analyse starlight.The TESS satellite being prepared at Kennedy Space Center in February 2018.Space · Nov 7, 2026Black Hole Hunters: what internet users are looking for in TESS dataThe Black Hole Hunters project invites the public to spot variations in TESS data that are consistent with the presence of black holes. These patterns remain candidates to be checked, not confirmed discoveries.Permafrost ice exposed by erosion on the bank of Birch Creek, Alaska.Climate · Nov 6, 2026Arctic methane: why estimates are not yet telling the same storyThe AMPAC-Net review highlights a gap between two methods of estimating emissions. Understanding this difference means distinguishing stored carbon, released gases and measurements in the atmosphere.Cross-section of a composter showing several layers of organic materials, illustrative photograph.Nature and environment · Nov 6, 2026Compost and PFAS: what QualiAgro’s monitoring still needs to clarifyINRAE and Veolia are extending their cooperation on agricultural composts. The benefits for soils are documented; the fate of PFAS and microplastics requires separate monitoring.Aerial view of Heimdal Glacier and snow-covered terrain in eastern Greenland, illustrative photograph.Climate · Nov 6, 2026In Greenland, a lake beneath the ice delays the release of meltwaterBeneath Flade Isblink, an invisible reservoir fills in summer and empties mainly in autumn. Satellites reveal why the date of melting alone is not enough to predict when water will arrive downstream.An earthworm photographed in Plužna, Slovenia, illustrating soil fauna.Nature and environment · Nov 6, 2026SolsVivants: understanding what organisms beneath our feet doThe CNRS-INRAE programme is starting with €9 million over five years. Its challenge: to link organisms and their interactions to how soils actually function.Server racks in a BalticServers data centre, illustrative photograph.Technology · Nov 6, 2026In Angers, Bull expands the factory set to build the next computing giantsBull’s new building is preparing for major European contracts. Behind the AI announcements lies an industrial chain of assembly, testing and delivery.Three people talk in front of a board covered in mathematical formulae, illustrative photograph.AI · Nov 6, 2026OpenAI and the ETH hypothesis: what the result claims, and what remains to be understoodOpenAI announces a refutation of the Exponential Time Hypothesis. The paper and the researchers’ letter help explain its significance, without confusing it with Ethereum.Capsules being poured from a bottle into a hand — illustrative photo.Health · Nov 6, 2026Vitamin D and memory: why the study does not justify high dosesA signal observed in 54 adults has intrigued researchers. The study’s limitations and clinical trials mean it cannot be turned into supplementation advice.
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