On January 15, 2025, in a Facebook post, the National Oceanic and Atmospheric Administration (NOAA) announced, after aerial surveillance carried out by the New England Aquarium than 75 North Atlantic right whales (Eubalaena glacialis) had gathered in an area 10 miles (16 km) north of Boston. An unusual grouping that raised questions. A food source … Read more

Coastal ecosystems play an essential role in regulating biogeochemical cycles and preserving the quality of marine waters. Among them, underground estuaries, transition zones between continental fresh waters and salty marine waters, are home to microbial communities that are still little studied. These microorganisms filter excess nutrients and chemicals from beaches before they reach the oceans. … Read more

While two lunar landers, Blue Ghost-1 (Firefly Aerospace) and Resilience (ispace), took off on January 15 aboard a Falcon 9 rocket, the fate of the Chinese rover Yutu-2 raises questions. Indeed, according to information from Spacenewsthe machine which arrived in the Von Kármán crater in January 2019 as part of the Chang'e-4 mission has not … Read more

[Article déjà publié le 13 juin 2024] The work of man can be seen everywhere. In the sky with mastery of the air thanks to planes. On earth with the birth of highways and other real estate constructions which are the symbol of its impact on nature. And finally, on the seas where boats ply. … Read more

[Un article de The Conversation écrit par Evelyne Aguéra – Ingénieur d’études en fermentation oenologique, Inrae – et Mouret Jean-Roch – directeur de recherche en bioprocédés, Inrae] Due to climate change, particularly rising temperatures and drought, the quality of grapes, the raw material for making wine, is changing. On the one hand, due to greater maturity … Read more

The drama in Los Angeles currently brings back the tragic memory of the fire in 1906 in San Francisco, one of the most dynamic cities in the United States. This disaster disrupted its development and redesigned its urban landscape. At dawn On April 18, an earthquake of exceptional magnitude shook the region. It caused immediate … Read more

Sighting an eagle in flight is always an impressive sight, but the experience takes on an incredible dimension when it comes to a rare species. This is what happened in Marazion, a town in Cornwall in the south-east of England.

[Article déjà publié le 24 septembre 2024] The history of Mars is revealed day by day before our eyes. And this, thanks to the different rovers which survey or will survey its surface in the future. The best known are obviously Curiosity Or Perseverancetwo NASA Mars vehicles. The latter are responsible for many recent discoveries … Read more

Hypertrophic cardiomyopathy is a disease that causes an increase in the volume of the heart muscle. It causes various changes in the heart, which can lead to serious pathologies or cardiac arrest in the long term. Because the diagnosis is based on inadequate criteria, it is imprecise, particularly in women. Researchers are proposing a new … Read more

[Un article de The Conversation écrit par A. Victoria de Andrés Fernández – Maîtresse de conférences au département de biologie animale de l’université de Malaga] What is an erection from a physiological point of view? Under “normal” physiological conditions, a context conducive to sexual activity activates the autonomic nervous system, which causes increased levels of nitric … Read more