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ϟ HEADLINES‘The Childhood of Ruins’: ordinary lives on the brink of upheavalA Luxembourg magazine Nov 10, 2026

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A person dressed warmly walks along a lit path in the snow.

Health · Oct 27, 2026Why the cold can make you need to urinate more oftenVasoconstriction, the kidneys, vasopressin: cold-induced diuresis has several mechanisms. It should not obscure other causes of frequent urination.

A boxer trains with a skipping rope in front of a mirror at a gym in Baltimore, in 2014. Archive photograph illustrating physical activity, unrelated to studies on creatine.

Health · Oct 27, 2026Creatine: 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.

Male house sparrow perched on a branch in front of green foliage.

Nature and environment · Oct 27, 2026House 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?

Two specimens of Lanmaoa asiatica, photographed in the study by Ruanxian Dai and colleagues, published in 2025.

Health · Oct 27, 2026Lanmaoa asiatica: what studies have established about hallucinationsPatients treated for poisoning were studied in Yunnan, and genetic analysis of the mushroom offers new leads. The responsible molecule and its mechanism remain to be clarified.

Open sandwich with meat and vegetables, illustrative food photography. The foods pictured do not represent the study menus.

Health · Oct 27, 2026Vegetarianism and weight training after 55: what two trials revealA trial involving 108 adults found muscle gains with both vegetarian and omnivorous diets, but protein intakes differed. A second trial helps explain the role of exercise.

Coca leaf covered in water droplets, photographed close up.

Politics · Oct 27, 2026Bolivia: why the coca leaf remains controlled despite its traditional usesThe cultural uses of coca continue to be recognised within a national framework. International controls also address the risk of diversion to cocaine production, while the area under cultivation continues to grow.

Mountainous landscape on the Tibetan Plateau beneath a blue sky.

Basic science · Oct 27, 2026Ancient DNA: how encounters contributed to our adaptationFrom the Tibetan Plateau to Oceania, researchers are studying the effects of variants inherited from Denisovans. Finding a trace and demonstrating its function are two distinct steps.

The International Space Station photographed from Atlantis in May 2010.

Space · Oct 27, 2026After 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.

Older adults taking part in an aerobics and balance session in a group exercise room, some raising one leg. Archive photograph from 1988.

Health · Oct 27, 2026Strengthening one leg at a time: what studies say about strength and balanceLunges, step-ups and glute bridges: unilateral training can complement traditional exercises, with no demonstrated advantage for building muscle.

A grey-and-white cat kneads a red blanket with its paws, illustrative photograph taken in 2019.

Nature and environment · Oct 26, 2026Your cat is avoiding you: damaged trust or a sign of discomfort?Cats can form attachment bonds with humans and become wary after stressful experiences. But a sudden change can also be a sign of pain.

Two people examine documents and work with laptops at a table; generic photograph of digital research.

AI · Oct 26, 2026An AI hides messages in its images: what does the experiment really prove?Researchers hid 50 messages in drawings produced by Claude Fable 5.1. A separate session recovered 39. What the experiment demonstrates—and what it does not tell us.

The grand salon of the Palais Lascaris in Nice, with its painted ceiling and tapestries. Photograph from 2011.

Travel · Oct 26, 2026Nice and Monaco: three ideas for family museum visits this ToussaintDraw at the Palais Lascaris on 28 October, explore Mortimer’s Japan or visit Monaco: three options, with their booking details and limitations.