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ϟ HEADLINES2026 ED138: what the candidate for dwarf-planet status really revealsA Luxembourg magazine Nov 4, 2026

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Woodland and a leaf-covered path in a forest in the Vosges.

Nature and environment · Nov 1, 2026Nature volunteering in Alsace: how to help the ConservatoireA day’s conservation work, regular site visits or wildlife monitoring: the CEN Alsace offers several ways to get involved. Here’s how to choose a commitment and understand its purpose.

Water jet from the degassing system at Lake Nyos, between rocky shores, with a floating platform.

Basic science · Nov 1, 2026Lake Nyos: how dissolved CO₂ caused the 1986 disasterIn Cameroon, Lake Nyos released a deadly cloud of CO₂ in August 1986. Understanding how the gas was stored at depth also explains how degassing systems work.

Tins of Hemköp and Knorr sauces with their price labels on a supermarket shelf.

Economy · Oct 31, 2026Food shopping: how to tell whether a promotion really saves you moneyPrice per kilo, multipacks, own-label brands and short-dated products: three examples with figures to distinguish an advertised discount from a real saving.

Aerial view of Apple Park, a large circular building surrounded by green spaces and homes, in Cupertino.

AI · Oct 30, 2026Core Advanced: what do the 2 GB of memory really measure?Apple’s model has 20 billion parameters, but a reading taken after a prompt shows around 2 GiB. These figures do not measure the same thing: one describes the entire model, the other a memory state observed on a particular Mac.

Entrance to Sainte-Anne Hospital in Paris, archive photograph from December 2012.

Health · Oct 28, 2026Treatment-resistant depression: where do esketamine and psilocybin stand?A medicine already authorised in Europe, and research protocols still to be assessed: these two avenues do not offer the same points of reference. Benefits, risks and care framework must be considered together.

The Orangerie at the Palace of Versailles and the flowerbeds in its gardens

Climate · Oct 28, 2026At Versailles, adapting heritage to the climate begins with observationHeat, humidity, drought: the palace and its gardens do not call for the same responses. Monitoring collections and biodiversity helps guide interventions.

Lenticular clouds over Mount Rainier in the United States, photographed in 2011. An illustrative atmospheric landscape, unrelated to the 2025 CO₂ readings.

Climate · Oct 27, 2026CO₂ 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.

A mixture of crushed barley malt for brewing beer. Illustrative photograph by Neil916, 2010.

Food and dining · Oct 27, 20263 Brasseurs announce opening in Trélissac on 29 OctoberAt La Feuilleraie, the new restaurant will combine brasserie food with beer brewed on site. The chain has confirmed the opening date as 29 October 2026.

A common tern in flight at Haff Réimech, Luxembourg, with a fish in its beak. Illustrative photograph, not directly related to the species measured.

Nature and environment · Oct 27, 2026Why soaring can take less energy than swimming: what 38 species revealA study published in October 2026 compares 17 years of movements by birds and bats. The condor barely flaps its wings, but its efficiency depends on air currents.

Four sugar cubes on a black background, one on a spoon, an illustrative image of fast-acting sugar and not a blood glucose measurement.

Health · Oct 27, 2026Type 1 diabetes and sex: what a study of 110 encounters foundAmong 12 adults monitored with glucose sensors, no clinically significant hypoglycaemia was observed during 110 sexual encounters. Reassuring findings, but the study is too small to rule out all risk.

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?