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Henri Tudor: the man who made electricity an everyday serviceFrom Rosport to Echternach, Henri Tudor refined electric accumulators before helping bring lighting to towns. The story of a Luxembourg inventor who became a European industrialist.
Smartphones: reading the label beyond the big letterBattery life, durability, repairability: the European label offers several points of reference. None replaces the others when comparing two phones.
El Niño 2026–2027: reading the forecast at the right scaleThe WMO expects El Niño to strengthen and persist until February. This global climate signal does not, on its own, describe the winter in store for Luxembourg.
FLEX: observing plants beyond their colourLaunched on 15 September with Sentinel-3C, the European satellite is targeting a subtle signal: plant fluorescence. Interpreting it takes more than a beautiful green image.
Cholera: fewer cases reported, more deathsThe 2025 figures published by the WHO on 29 September show an increase in deaths. Behind the totals, access to water and healthcare remains central.
Heat and major events: prevention starts before the gates openThe WHO publishes a guide for mass gatherings. Water, shade, movement and emergency care must be planned together, well before the public arrives.
Trees in the city: Luxembourg sets out its scheme for municipalitiesPresented to municipalities on 28 September, the urban tree canopy scheme combines greening with the streamlining of certain procedures. The aim is to view trees as a lasting component of urban planning.
On Mars, the rocks of Jezero tell several stories of waterA study based on observations by Perseverance distinguishes at least three episodes of alteration in the Margin Unit. It sheds light on Mars’s ancient environment, without announcing the discovery of life.
Growing food for the Moon: three agencies start with a ground-based demonstratorNASA, the Canadian Space Agency and DLR are preparing joint work on crops in controlled environments. The announcement on 30 September concerns a preparatory step, not a greenhouse already installed on the Moon.
DAVINCI: why NASA is preparing a probe for Venus’s 465°C heatA DAVINCI capsule has withstood 465°C six times in ground tests. NASA wants to understand how Venus evolved and whether it once had liquid water.
Beneath Greenland’s ice, a network of valleys comes into focusA new method infers the buried terrain from subtle deformations in the ice surface. Nearly 2,000 valleys have been mapped, around a third of them newly identified.