Ecology

“Contender” is the largest male white shark in the Atlantic: 4.2m long, it resurfaced after months in the USA

“Contender” is the largest male white shark in the Atlantic: 4.2m long, it resurfaced after months in the USA

Contender shark tracker with the latest certain positions. Credit: OCEARCH Is called Contender and is the largest male white shark (Carcharodon carcharias) ever tagged in the Northwest Atlantic by the non-profit organization OCEARCH. With his 4.2 meters long and 750 kg in weightthis imposing predator of more than 30 years old was equipped with a satellite tracker on its dorsal ...

How to Find Your iPhone When It's in Silent Mode with the “Play Ring” Feature

How to Find Your iPhone When It’s in Silent Mode with the “Play Ring” Feature

If you usually leave silent on your iPhone, you know perfectly well how complicated it can be to find your phone without using the “Make it ring” available with Apple Watch or by taking advantage of the similar function integrated in “Where is” of iCloud (for example by acting from the computer). Without these, the risk of spending the entire ...

The Perito Moreno glacier in Argentina is receding: 3km2 in 26 years, satellite images

The Perito Moreno glacier in Argentina is receding: 3km2 in 26 years, satellite images

The retreat of the Perito Moreno glacier seen by the Sentinel–2 satellite. Credit: European Union Copernicus Sentinel–2 The glacier Perito Morenolocated in southern Argentina in the Los Glaciare national park, was considered an exception among the large glaciers of Patagonia because for decades it has shown no signs of retreating despite ongoing global warming. Lately, however, the situation has changed: ...

How extreme heat is putting the electricity grid to the test: the causes of the blackouts and the countries affected

How extreme heat is putting the electricity grid to the test: the causes of the blackouts and the countries affected

The intense heat wave which is affecting a large part of the European continent, associated with the marked increase in demand for electricity due to the widespread use of air conditioning systemsis subjecting power grids to operating conditions particularly burdensome. In recent weeks, localized blackout events, i.e. temporary interruptions in electricity supply, have occurred in several Italian cities. Even though ...

Who is Odysseus and why is he also called Odysseus: the story of the legendary king of Ithaca, the hero of Greek myths

Who is Odysseus and why is he also called Odysseus: the story of the legendary king of Ithaca, the hero of Greek myths

On the left, a clip from Christopher Nolan’s film; on the right, the reworking of the Greek marble sculpture preserved in the Archaeological Museum of Sperlonga. Ulyssesin Greek Odysseusis the Greek hero protagonist of the Homeric poem Odyssey: endowed with great cunning and tenacity, the king of Ithaca leaves Troy after winning the war narrated inIliadthanks to the horse stratagem ...

“Tsunami cloud” on a beach in France: the roll cloud was formed due to Enbata

“Tsunami cloud” on a beach in France: the roll cloud was formed due to Enbata

An image of the roll cloud formed in France. Credit: Javier Ceriani, via In Franceon the beach of Hendayein the department of Pyrenees-Atlantiques, a massive one struck roll cloud (or roller cloud), one cloud gray and cylindrical improperly renamed on social media as “tsunami cloud“and fell from the Bay of Biscay towards the coast. In just a few minutes, the ...

How AI can bring seemingly lost photographs back to life: restoration and digitization

How AI can bring seemingly lost photographs back to life: restoration and digitization

Image generated with AI for illustrative purposes only. A old camera rollwhich remained for about forty years among the rocks of the Torre di Jesi, in the Frasassi Gorge, was found by the geologist and climber Lorenzo Rossetti. The find then arrived in the hands of the Fabriano filmmaker Paolo Bacchiwho entrusted it to a specialized laboratory for development. From ...