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Triops: why their eggs can wait for the next rainTriops live in pools that can disappear for months. Studies shed light on the dormancy of their eggs, their resistance to drying out and the signals that trigger hatching.
Saint-Denis: how a data centre’s heat supplies a neighbourhoodIn Saint-Denis, waste heat from a data centre feeds into an urban heating network. How does the system work, what does it cost, and could it be replicated elsewhere?
CO₂ record in 2025: why the atmosphere continues to accumulate greenhouse gasesThe WMO reports a new record for CO₂, methane and nitrous oxide in 2025. What concentrations actually measure and what NOAA’s independent readings show.
Houseplants: can a wick water them while you’re on holiday?A piece of string, a reservoir and water: a capillary system can help while you’re away, provided you test its flow and avoid waterlogging the roots.
Fridge: the paper test to check the door sealA sheet of paper caught in the door can indicate a poorly fitted seal. How do you carry out the check, interpret the result and avoid an unnecessary replacement?
Recipes and AI: why click-free answers are putting websites at riskAI-generated summaries sometimes answer questions without sending users to the source website. Pew, the Reuters Institute and Google offer three perspectives that need to be distinguished.
Creatine: what science confirms for muscles, and what remains uncertain for the brainStrength, intense exercise, memory: not all the effects attributed to creatine are supported by the same level of evidence. A look at the views of the NIH and EFSA, and European rules.
Parcoursup in 2027, replacement in 2028: what has been announcedThe French government promises to make Parcoursup more transparent from 2027, before replacing it in 2028. Additional places, classes of 28 pupils and renovations: the real timetable.
Coldplayed in concert in Anzin and Dunkirk on 13 and 14 November 2026The Coldplay tribute band is set to perform at the Cité des Congrès Valenciennes, followed by the Kursaal. Dates, times, addresses, ticket outlets and how they differ from the original band.
After the ISS: Europe prepares for stays in orbit, with no successor yet guaranteedThe agreement between ESA and Vast opens up a possibility for European astronauts. But preparing missions on commercial stations guarantees neither their timetable nor an uninterrupted transition.
In Atlanta, the data centre raising questions about the city around itNear West End station, a data centre project has crystallised a debate about housing, transport and local benefits. Behind the mobilisation lies a question: who decides how a well-connected site is used?
France exports electricity: is it really independent?With net exports of 92.3 TWh in 2025, France has set an electricity record. But its reliance on oil, gas and uranium tells a different story about dependence.