A silent ocean pandemic is wiping out sea urchins worldwide

Sea urchins play a crucial role in the ocean, acting as ecosystem engineers much like large grazers on land. As they feed on seaweed and seagrass, they trim back algae and help protect slow-growing species such as corals and certain calcifying algae. In turn, sea urchins are an important food…

New fossils in Qatar reveal a tiny sea cow hidden for 21 million years

Today the Arabian Gulf supports large numbers of dugongs, marine mammals related to manatees that feed on seagrass and leave trails in the sediment as they graze. Newly examined fossils from Qatar show that sea cows living more than 20 million years ago shaped their environments in much the same…

Nerve injuries can trigger hidden immune changes throughout the entire body

Preclinical research from McGill University suggests that nerve injuries can create long-term changes in the immune system, and these changes may not be the same for males and females. Nerve injuries are common and can occur from stretching, pressure or cuts. They often lead to persistent problems such as chronic…

NAD+ supplement shows early promise for long COVID fatigue and brain fog

Long COVID continues to disrupt millions of lives, especially through persistent neurological symptoms like fatigue, sleep problems, and brain fog. Researchers tested whether raising NAD+ levels with high-dose nicotinamide riboside could help restore energy metabolism and ease symptoms. While the randomized trial didn’t show major differences in cognitive scores between…

Terremoto di magnitudo 6.7 in Giappone, allerta tsunami – Notizie – Ansa.it

Un violento terremoto di magnitudo 6.7 ha colpito il nord del Giappone. Ne dà notizia l’Ingv.     Diramata dalla Japan Meteorological Agency l’allerta tsunami, onde fino un metro. Il terremoto è stato registrato nella prefettura di Aomori, a nord del Giappone, alle ore 11:44 locali (3:44 in Italia) con epicentro…

Riccardo Chailly: ‘Tornerò sul podio molto presto’ – Notizie – Ansa.it

Riccardo Cailly tornerà a dirigere “molto presto’: il direttore musicale della Scala lo ha assicurato dopo che ieri ha dovuto interrompere la seconda rappresentazione di ‘Una Lady Macbeth del distretto di Mceńsk’ a causa di un malore per cui è rimasto una notte in osservazione al centro cardiologico Monzino. “Rivolgo…