Ecology

The evolution of the Davis Cup: history and possible lifelines of the tennis "World Cup".

The evolution of the Davis Cup: history and possible lifelines of the tennis “World Cup”.

Italy’s triumph in Malaga in 2024. Credit: via X, Davis Cup/Federtennis In an individual sport like tennis, the Davis Cup it is a romantic exception. The oldest and most important national team competition in the world of racket (twin sister of the women’s Billie Jean King Cup), which reached its 113th editionwill be staged in Bologna from 18 to 23 ...

Parasocial is the word of the year 2025: why the Cambridge Dictionary chose it and what it means

Parasocial is the word of the year 2025: why the Cambridge Dictionary chose it and what it means

The Cambridge Dictionary recently elected “parasocial” 2025 word of the year, an accolade that reflects an increasingly central phenomenon of digital life: those one-sided connections people form with celebrities, online influencers, fictional characters, and even AI chatbots. But what exactly does parasocial mean, and why has it become so popular today? It is not simply a question of admiration, devotion ...

What happened in the Years of Lead, when Italy was caught in the grip of terrorism

What happened in the Years of Lead, when Italy was caught in the grip of terrorism

Those that are defined “Years of Lead” are included between the late 1960s and early 1980swhen they developed in Italy phenomena of political terrorism both neo-fascist and far left. More specifically, far-right terrorists, associated with “deviant” sectors of the secret services, carried out massacres with the aim of promoting the restoration of a fascist dictatorship, as part of the so-called ...

Water exploitation in the USA, from the drying of Owens Lake to the risks for the Great Salt Lake

Water exploitation in the USA, from the drying of Owens Lake to the risks for the Great Salt Lake

The United States is famous for the immense natural parks, deserts and large lakesapparently unaffected by the presence of man. The vast spaces of North America have in fact often allowed important urban centers to develop at considerable distances between them, with thousands of km2 of an almost uninterrupted nature to separate them. Unfortunately, the resource hunger of cities with ...

Zweisamkeit is the solitude of a couple: what does the German word mean that explains a unique relationship

Zweisamkeit is the solitude of a couple: what does the German word mean that explains a unique relationship

The very famous twins Alice and Ellen Kessler, an example of Zweisamkeit, during one of their performances in the seventies. Behind the harsh and guttural sounds of the German language lies a world of truly unique metaphors and hidden meanings, such as the Zweisamkeitthe “solitude of couple” or “duitude”, a sad yet wonderful concept that talks about isolation and unity ...

What water hardness means and how it is measured at home

What water hardness means and how it is measured at home

When we talk about “water hardness”we mean how much the water we drink or use every day is rich in mineral (ions), including calcium (Ca²⁺) and magnesium (Mg²⁺). Obviously, the term “hardness“is used in a figurative way: water, even if rich in calcium and magnesium ions, is not physically hard, but something can change from a chemical point of view. ...

Because the term “sniper” comes from Emperor Franz Joseph I of Austria

Because the term “sniper” comes from Emperor Franz Joseph I of Austria

Today is the deadline “sniper” indicates a marksman, a soldier trained to strike with great precision at a distance – usually from a hidden position – but the history of this word is curious and surprising. In fact, the etymology of “sniper” probably derives from the nickname “Beppe Cecco” given toEmperor Franz Joseph I of Austria during the First World ...

What does the US resolution just approved by the UN on Gaza provide and what does it change

What does the US resolution just approved by the UN on Gaza provide and what does it change

The United Nations Security Council has voted in favor of one resolution drafted by the United States which strengthens President Donald Trump’s peace plan for Gaza. The resolution provides for deployment of an international force and a transitional government body for the Strip. There were 13 votes in favor of the text, which the United States called “historic and constructive”, ...

Campi Flegrei, bradyseism remains at 25 mm/month, but seismicity drops with 88 earthquakes: the INGV bulletin

Campi Flegrei, bradyseism remains at 25 mm/month, but seismicity drops with 88 earthquakes: the INGV bulletin

To the Phlegraean Fields the increase in is confirmed bradyseismwhile the seismicity: according to the latest bulletin of the INGV Vesuvian Observatory, in the week from 10 to 16 November 2025, 88 earthquakesof maximum magnitude 2.1 (a clear decrease compared to the 165 tremors of the previous week) while from 10 October 2025 the average speed of ground lifting, linked ...