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House sparrow: why its chirping is becoming rarer in some citiesEurope lost around half of its house sparrows between 1980 and 2017. What do these figures really tell us, and how should we interpret the counts from Luxembourg gardens in 2020 and 2025?
How shells preserve traces of the marine climateGrowth lines, isotopes and chemical analyses: researchers use shells as ocean archives, while taking care not to confuse local signals with the global climate.
Bathroom plants: choosing according to light and careSpider plant, maidenhair fern or peace lily: conditions matter more than humidity alone. And these plants are no substitute for ventilation.
The night has corridors tooA study by Cerema examines lighting and natural habitats in Indre. It shows how to move from a night-time image to precise points for action.