A simple bronze plate can sometimes be enough to upset the understanding of a forgotten military episode. In January 2025, a team of archaeologists affiliated with the Czech Academy of Sciences uncovered, on the hill of Hradisko U Mušova, in southern Moravia, a fragment of a remarkable rarity: a forearm scholarship belonging to a soldier … Read more

[Un article de The Conversation écrit par Gaël Buldgen – Docteur en astrophysique, spécialiste de physique solaire et stellaire, Université de Liège] Our sun alone represents more than 99 % of the mass of the solar system. Without him, life on earth would be impossible. Beyond providing energy to earth, we can also consider it as … Read more

For some time, hailstorms have been talked about for their unprecedented violence and their spectacular impacts. Screened vehicles, ripped roofs, crops destroyed in a few minutes: these scenes, still rare a decade ago, are now repeating each season in certain regions of Europe. In parallel, scientists and climatologists wonder about a much more worrying development. … Read more

When the elements are not involved, human errors can lead to disastrous consequences. Chernobyl is a blatant example and the consequences of the lack of alertness and precaution on the nuclear reactor n ° 4 are still visible today. In France, a few days ago, on June 15, 2025, an error almost caused a disaster. … Read more

Preparing well in the face of weather events is important Each weather event, Météo France warns us upstream of the risks that there can be. This is not to say that we cannot protect ourselves as best as possible in the face of nature. Recently, a wave of thunderstorms followed by hailstorms were identified in … Read more

[Article déjà publié le 27 juillet 2014] First lightning and lightning, then thunder. The rain, if it falls, only comes after. For what ? Because the formation of lightning depends on the same stormy atmospheric conditions: hot ascending currents and large quantity water vapor, gathered within a cumulonimbus which can spread over miles high. If … Read more

[Un article de The Conversation écrit Jean-Pierre Dalmont – Professeur des Universités, spécialiste des guides d”ondes acoustiques et de la physique des instruments de musique, Le Mans Université] If it often happens that we perceive in various circumstances that some people, even alone, sing false, it is because they very significantly move away from the expected … Read more

For a long time, the female figures of British intelligence have been overshadowed by their male counterparts, relegated to the margins of centered stories on famous spies and high officers. However, some women played a decisive role in national security, far beyond the functions of secretariat to which they were too often confined. Jane Sissmore, … Read more

[ Cet article a initialement été publié en mai 2024] The world of snakes fascinates or revolves. With spiders, it is a source of sickly fear for many people. But you have to know how to rationalize this state and say that, like most living creatures on our planet, snakes do not present a real … Read more

In modern kitchens, some harmless objects prove to be unexpected sources of contamination. Present in almost all households, black plastic kitchen utensils, however, concentrate pollution of another kind, far removed from the ingredients that are usually monitored. Behind their uniform color sometimes hide substances from electronic recycling, introduced without control in our most daily gestures. … Read more