Today, making an important choice can quickly become a source of anxiety. Too many options, too much at stake, not enough certainties. Even the most common decisions take on another dimension when they turn your life upside down. It's these risky decisions, big or small, that reveal what each person truly fears deep down. What … Read more
The sea urchin born seems Nothing share with to be human. Mon ramp slowly below water. The other builds of the companies And transform her environment. Yetscience book many surprises. By analyzing their nervous system, biologists discover an unusual structure. However, it performs similar and sometimes very elaborate functions. And if THE sea urchins were … Read more
Some gifts are more memorable than others. They are neither the most expensive nor the most cumbersome, but those which pique curiosity and awaken a new perspective on the world. When the spirit of Christmas meets that of discovery, objects take on another dimension. From breakfast physics to deep sky exploration, there are presents that … Read more
The ocean seems vast, but it is no longer enough to protect those who depend on it for their livelihood. When resources become scarce, trajectories tighten, predators and trawlers cross their paths more and more often. For African penguins, every detour can become a dead end. Their fragility is expressed in this invisible tension between … Read more
The kiss, a universally recognized but culturally variable gesture, has long raised questions about its origins. Long considered a specifically human behavior, it is now the subject of re-examination in the light of data from evolutionary biology and ethology. A study published in the journal Evolution and Human Behavior by a team of researchers from … Read more
Immunity is not a uniform mechanic. Behind this single word lie profound variations depending on age, environment and gender. In women, the body's defenses are built on a particular genetic architecture, long neglected by research. What we are discovering today about the immune system of women reveals a force of adaptation inscribed in the cells … Read more
[Un article de The Conversation écrit par Coralie Thieulin – Enseignant chercheur en physique à l”ECE, docteure en biophysique, ECE Paris] The term xenograft refers to the transplantation of a tissue or organ from a different species than the recipient, for example, from a pig to a human. It is distinguished from allograft, between two humans, and … Read more
Certain reliefs tell a story that no archive has preserved. When land shapes resist conventional explanations, geologists know that another scenario is worth considering. A vast depression, located in the subtropical hills of Guangdong, today reveals precise clues of an ancient extraterrestrial shock. This impact crater in China could well rewrite a forgotten part of … Read more
The threshold of +1.5°C of warming has already been exceeded for two consecutive years, leading to increasingly serious environmental and social impacts. The consequences are intensifying: extreme events, melting ice, loss of biodiversity, agricultural disruptions. With COP30 currently taking place in Belém, Brazil, discussions are taking a decisive turn. Because beyond the findings, three major … Read more
In the shallow waters of the Cretaceous, a forgotten world was home to fearsome hunters, so powerful that no species alive today comes close to their fins. The largest of them, a ten-meter pliosaur, was placed by scientists at a level of predation never recorded in natural history. A place at the very top of … Read more
