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[Article déjà publié le 18 juillet 2025] In the deep ocean, each camera movement can reveal a still unknown part of marine life. By submerging a cow carcass more than 1,600 meters deep, researchers triggered much more than an experiment on decomposition. They witnessed the appearance of species previously absent from this map of life. … Read more

At the end of the 1960s, American high school students were no longer content with observing major social struggles: they actively participated in them. Mobilized against the Vietnam War, for civil rights or school curriculum reform, they organized strikes, sit-ins and alternative newspapers. Faced with this rapid and assumed politicization of youth, some parents, often … Read more

The meteoric rise of artificial intelligence is not only reshaping digital uses, it is also transforming the fundamental needs of the infrastructures that support it. As models become more powerful, their reliance on abundant energy becomes a central issue. The energy infrastructure of data centers is emerging as one of the silent but crucial pillars … Read more

For several years, the composition of our processed foods has prompted increasing vigilance. Behind creamy textures, the shelf life of products and more homogeneous preparations, hides a multitude of additives with well-defined functions. Among them, food emulsifiers occupy a central place. Their widespread use, including in products intended for infants, now raises profound questions about … Read more

Understanding the human brain without ever opening it has long been a scientific fantasy. Lacking direct access, researchers have had to rely on often imperfect models to try to observe what is happening inside. But a new path is opening up today: in the laboratory, synthetic brain tissue capable of reproducing several essential functions of … Read more

European breeding today faces a major challenge. Cattle are among the largest emitters of greenhouse gases in the agricultural sector. Behind this observation, a question arises more and more often. What if the animal itself could evolve to respond to the climate emergency? A less polluting cow could well become one of the keys to … Read more

The lunar surface fascinates as much as it deters. Too cold in the middle of the night, too hot in broad daylight, it exposes any equipment or living being to a cascade of dangers. However, a few meters below this battered ground, tunnels from ancient lava flows could offer astronauts a natural refuge. To find … Read more

When the days become shorter and night falls earlier, our body changes rhythm without us really realizing it. Light influences our energy, our appetite and our sleep. In winter, these changes can disrupt our habits, especially during the evening meal. Dinner time in winter plays a more important role than we think on our digestion … Read more

Weight-loss drugs like Mounjaro, containing the tirzepatide molecule, have revolutionized the treatment of obesity in recent years, allowing certain patients to lose up to a quarter of their body weight. This spectacular efficiency quickly aroused worldwide enthusiasm. But a recent study carried out as part of the Surmount-4 trial, the results of which were published … Read more