While awaiting the conclusions of an investigation into telecommunications cable breaks in the Baltic Sea, Sweden has announced the deployment of a surveillance fleet. This will be made up of three warships as well as a somewhat unusual aircraft: the ASC890. A little reminder of the facts On November 17 and 18, 2024, as well … Read more

The Rh null blood group is the rarest in the world and affects only around fifty people worldwide. Why are there several blood groups? To understand why blood type can be different between individuals, it is important to explain how it is determined. The difference is based on the presence of proteins, more precisely an … Read more

When someone says “blood group”, you perhaps spontaneously think of groups O, A, B or AB? These are indeed the best known, however, there are in reality many more! Some are very rare, which can make it difficult to care for patients with them. After 50 years of mysteries and research, scientists have succeeded in … Read more

The Opéra Garnier, inaugurated in 1875, is much more than a performance venue: it is an architectural and artistic milestone that reflects the cultural and political ambitions of 19th century France. Commissioned by Napoleon III as part of the vast transformations of Paris under Haussmann, this building symbolizes the apogee of the architectural eclecticism of … Read more

How does the classical world emerge from quantum chaos? Since its beginnings, quantum mechanics challenges our intuition. On the microscopic scale, particles do not have a defined position or state until they are measured. They are described by a wave function, a mathematical tool that encapsulates all possibilities. A particle can be in several places … Read more

[Un article de The Conversation écrit par Auphélie Ferreira – Enseignante-chercheuse contractuelle en linguistique française, Université de Strasbourg] “Gadjo”, “despee”, “tchop”: these words are associated, in media discourse, with “young talk”. There are many articles that focus on this vocabulary to make it accessible to other generations or even dictionaries intended for parents who no longer seem … Read more

In the south-east of England, in the county of Surrey, an oil extraction site would have been responsible for the appearance of more than 100 earthquakes in the region between 2018 and 2019. This is what highlights a recent study, carried out by researchers from theUniversity College Londonpublished on January 10, 2025 in the journal … Read more

Between the United States and Canada, there are five large lakes containing, between them, 21% of the fresh water on Earth. They are: Michigan, Ontario, Huron, Erie and Lake Superior. Acting as a natural border between the two North American countries, the question of their origin was recently the subject of a study published in … Read more

Quality social relationships are essential to an individual's well-being. Conversely, loneliness and social isolation are harmful. Recent studies have shown that they are linked to morbidity and mortality, just like risk factors such as smoking and obesity! But how can our social relationships influence our physiology? Researchers found that loneliness increased the levels of several … Read more

Permafrost, or deeply frozen ground, covers a quarter of the land in the northern hemisphere and plays a key role in the environmental balance of cold regions. Under the effect of global warming, this once stable soil is experiencing accelerated thaw, threatening ecosystems, human infrastructure and global biogeochemical cycles. A study published in The Cryosphere … Read more