[Article déjà publié le 1er octobre 2024]

[Un article de The Conversation écrit par Stéphane Mazières – Chercheur en génétique évolutive, Aix-Marseille Université (AMU)] The Upper Paleolithic (around 45,000 to 10,000 years before the present), known for its caves decorated with Chauvet, Cosquer, Niaux and Lascaux, is a pivotal period of human evolution. Eurasia, then occupied by Neanderthal And Denisovasees arriving Homo sapiensover 45,000 … Read more

The Roux squirrel (Sciurus vulgaris), formerly common in European and British forests, is today in danger. It is becoming increasingly rare while its gray cousin (Sawdore carolinensis) invades the landscape. From the end of the 19th century, the introduction of the gray squirrel from North America sparked a series of ecological upheavals. The two squirrel … Read more

In the tranquility of Drôme, an unexpected and exceptional event recently aroused the attention of fauna enthusiasts: the birth of an albinos turtle. At the heart of the Pierrelatte crocodile farm, where more than 1,200 animals coexist, a small red belly turtle, large as a coin, was born, displaying a fascinating genetic rarity. Albinism, a … Read more

[Article déjà publié le 20 septembre 2024] For many people, when you hear a very strange noise, whatever its origin, you do not necessarily try to know where it comes from or who has expressed it. Except when you are a scientific and each mystery is a call to its elucidation. This is surely what … Read more

Space can both thrill and frighten. And when we feel too many emotions, positive or negative, it is natural to shed a few tears. Then a question comes to us. If we were to be moved in space, could we cry like we do on Earth? It's okay to cry in space, but… If we … Read more

[Un article déjà publié le 10 mai 2022] In 2003, NASA astronomers discovered that the black hole in the center of the Perseus galaxies caused ripples on hot gases around it. According to the calculations carried out, these sounds are equivalent to the note of a “median do”. But 57 octaves below. This note is … Read more

[Un article de The Conversation écrit par Julien Milli – Astronome, Université Grenoble Alpes (UGA) ; et Fabien Malbet -Directeur de recherche CNRS en Astrophysique, Université Grenoble Alpes (UGA)] Let’s set the scene. We are on Mount Paranal, at 2,600 meters above sea level, in the driest hot desert in the world. The Pacific Ocean is … Read more

Intensive use of fertilizers helps increase agricultural production. These products are known to have an impact on soil and water chemistry. On the other hand, the effects of this artificial enrichment on pollinating insects remain poorly understood. A British team looked into the subject. She examined the relationship between soil fertilization, soil yield and biodiversity. … Read more

In the Var, in Cavalaire-sur-Mer, an unexpected discovery will delay the deadlines for a parking lot project. Indeed, as Inrap announced on January 13, 2025, the oldest Neolithic house in Provence was discovered. The latter would have been built at least 5400 years before our era. A little house More than 7,000 years after the … Read more