[Cet article a initialement été publié le 08 février 2025] In the green immensity of the Amazon, where silt waters wind under the canopy, lives a dolphin with fantastic creature. The Amazon dolphin, recognizable by its pinkish shade and its flexible silhouette, evolves in a world where visibility is reduced and where each interaction is … Read more
[Un article de The Conversation écrit par Sylvain Roche – Docteur en sciences économiques, Ingénieur de recherche et enseignant associé, Sciences Po Bordeaux] If it has persisted through water sports and pleasure navigation, sailing is reinventing itself today in the merchant transport sector to meet the triple issue of decarbonation, reindustrialisation and resilience. Carried by emblematic … Read more
Heat wave and sleep During a heat wave, hot weather can have an impact on our day's body (dehydration, headaches, discomfort). But you will surely have noticed, temperatures remain high even in the evening, making our nights more unpleasant.
As planes gain in connectivity and smartphones become omnipresent, a simple gesture continues to be required before each takeoff. The plane mode, which appeared in the 1990s while mobile phones still aroused distrust, is now part of the ritual of air trip. Its real usefulness, however, still raises questions. Between technical imperatives, persistent precautions and … Read more
In February 2025, more than 2,000 earthquakes rocked Santorini and its region, causing massive evacuations on the Greek island. Unlike expectations, no eruption has occurred, and known volcanoes remained silent. This situation forced scientists to review their hypotheses on the origin of tremors. A series of studies by the University of Oregon, published in the … Read more
[Cet article a initialement été publié le 24 juin 2024] Despite its tiny size, the mosquito is the deadliest animal in the world. It has many diseases that can be transmitted to human beings. There are viral diseases such as dengue, chikungunya, Japanese encephalitis and Western Nile fever. These insects that have invaded the whole … Read more
[Un article de The Conversation écrit par Jean-Christophe Maréchal – Directeur de recherche – Hydrogéologue, BRGM – Jean-Pierre Vergnes – Chercheur, BRGM – Sandra Lanini – Chercheuse, BRGM – Yvan Caballero – Hydrogéologue, BRGM] groundwater is in close connection. The latter interact with the surface, on which they largely depend. Thus, the underground water tables are … Read more
More than a hundred light years from the earth, a young star surrounded by dust has long intrigued astronomers. Material rings, curiously empty areas, but no visible planet sign. Until an infrared light betrays the presence of an unknown star. For the first time, the James Webb space telescope has just drawn an exoplanet directly … Read more
[Article déjà publié le 27 juin 2024] The recommended amount of water is between 1.5 and 2 liters per day. Not everyone drinks the same amount of water on a daily basis. This varies in particular according to age, state of health, physical activity and other criteria. However, these recommendations do not apply throughout the … Read more
A dozen MANTA rays seen in Spain Each year, species are observed far from their natural habitat. This time, several Mantas rays were seen on the Spanish coast. Indeed, for several weeks that Catalan beaches become a meeting place between these marine animals and swimmers.
