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ϟ HEADLINESAlcaraz-Shelton: contrasting paths to the Paris Masters finalA Luxembourg magazine Nov 8, 2026

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Carlos Alcaraz at the Argentina Open in February 2024, archive photograph.

Tennis · Nov 8, 2026Alcaraz-Shelton: contrasting paths to the Paris Masters finalAlcaraz beat Ruud without facing a break point; Shelton came back from a set and then a break down against Van Assche. Two contrasting paths to a final shaped by their previous meeting at the US Open.

A green flash visible on the horizon during a sunset in Grenada.

Basic science · Nov 7, 2026Green flash: why the Sun’s last edge can change colourThe green flash is not a new kind of light from the Sun. Refraction, dispersion and atmospheric conditions explain why its last edge can briefly appear green.

Marie Schreiber in Maasmechelen in January 2026; archive photograph.

Cycling · Nov 7, 2026Cyclocross European Championships: Marie Schreiber first across the line, second in the standingsMarie Schreiber crossed the line first in Zeddam, but the jury relegated her after the final sprint. Lucinda Brand wins the European title; the Luxembourger is placed second.

A North Atlantic right whale and its calf, in an archival photograph from 2010; these are not the animals spotted at Anticosti in 2026.

Nature and environment · Nov 7, 2026North Atlantic right whales: calf identified late in CanadaPhotographed near Anticosti on 25 September, a calf probably born during the 2025-2026 season was identified after the images were analysed. The case shows how photographic catalogues refine the figures, without making counts exhaustive.

The TESS satellite being prepared at Kennedy Space Center in February 2018.

Space · Nov 7, 2026Black Hole Hunters: what internet users are looking for in TESS dataThe Black Hole Hunters project invites the public to spot variations in TESS data that are consistent with the presence of black holes. These patterns remain candidates to be checked, not confirmed discoveries.

A workstation with several screens, illustrating computer work.

Technology · Nov 7, 2026Mouse Without Borders: PowerToys fixes pairing failuresPowerToys 0.102.3101.0 fixes pairing failures in Mouse Without Borders. The tool shares a keyboard and mouse between up to four PCs, but does not turn one of them into an extra screen.

A customer looks at his phone behind a supermarket trolley; illustrative photograph.

AI · Nov 7, 2026Handing your shopping basket to an AI: the time saved depends on what you measureIn a trial reported by Clubic, ChatGPT filled a basket with no errors reported, but took thirty minutes and required several interventions. What this result does — and does not — tell us about the time actually saved.

A calculator resting on euro banknotes, illustrating salary statistics.

Economy · Nov 7, 2026Average annual salary of €85,600 in Luxembourg: what does Eurostat measure?Eurostat puts the average annual full-time adjusted salary in Luxembourg at €85,600 in 2025. This average should be distinguished from net pay and median income.

Corals photographed on a reef; this illustrative image does not depict the Stanford experiment.

Nature and environment · Nov 7, 2026Bleached corals: what the contact experiment really showedA laboratory experiment at Stanford describes how symbiotic algae moved between healthy and bleached corals via a tissue bridge. The findings shed light on one possible route to recovery, without demonstrating a method that can be applied to reefs in the sea.

A motorcyclist and her sports bike, illustrating the two-wheeler market.

Business · Nov 7, 2026Chinese motorcycles in Europe: price isn’t everythingChinese brands are gaining ground in European imports and often offer lower prices. But these figures alone say nothing about the after-sales network or long-term reliability.

Computer code on a screen, illustrating the evaluation of AI agents.

AI · Nov 7, 2026Reward hacking: when an AI agent passes the test without doing the taskAn agent can pass a metric without carrying out the intended task. An Anthropic study explores how this circumvention, known as reward hacking, was accompanied by other undesirable behaviours during an experimental training run.

An indri in vegetation in Madagascar, illustrating lemur conservation.

Nature and environment · Nov 7, 2026In Madagascar, linking forests is not enough: habitat must be restoredIn eastern Madagascar, a forest corridor aims to reconnect two protected areas. The first plantings and lemur observations are encouraging, but do not yet prove that the habitat is recovering sustainably.