Ecology

On the walls of Pompeii there are signs of the polybolos, a crossbow ancestor of the machine gun: the study

On the walls of Pompeii there are signs of the polybolos, a crossbow ancestor of the machine gun: the study

Close range impact holes. Credit: Rossi et al. On walls northern of Pompeiibetween Porta Vesuvio and Porta Ercolano, have been visible for decades ballistic impact footprints dating back tosiege conducted by Lucius Cornelius Sulla in the’89 BCduring the Social War (a civil conflict between Rome and some rebellious cities, including Pompeii). Alongside the classic circular cavities produced by spherical projectilesa ...

Campi Flegrei, seismicity remains low: 18 earthquakes of Mdmax 1.4 and bradyseism at 10 mm/month

Campi Flegrei, seismicity remains low: 18 earthquakes of Mdmax 1.4 and bradyseism at 10 mm/month

18 earthquakes have been recorded in the Campi Flegrei in the last week. To the Phlegraean Fields there seismicity stay lowwith alone 18 earthquakes with a maximum magnitude of 1.4 registered between 16 and 22 March, as confirmed by the latest INGV bulletin. Localized events increased slightly compared to the previous week, when just 12 tremors with a maximum magnitude ...

Daylight saving time, the process to make it permanent is underway: what can change by June 30th

Daylight saving time, the process to make it permanent is underway: what can change by June 30th

What would change with the introduction of permanent summer time in Italy. Daylight saving time could become permanent in Italy: in fact, the start of acognitive investigation «on theimpact of permanent summer time on the national territory: effects and repercussions on the sectors” by the X Commission of the Chamber of Deputies (Production activities, trade and tourism), which should be ...

Why are salaries in the North higher than in the South? The causes of the divide in Italy

Why are salaries in the North higher than in the South? The causes of the divide in Italy

Who works at Milan and who works at Reggio Calabria is part of the same labor market, pays the same taxes and is covered by the same national collective agreement. Yet their paychecks, on average, are nothing alike. According to the JP Salary Outlook 2026 of the JobPricing Observatory – the main analysis of Italian wages, updated every six months ...

Why are almonds so energetic?

Why are almonds so energetic?

The reason why almonds are often described as powerful energy sources lies in their chemical composition: proteins, sugars, fibre, vitamins and minerals, but above all good fats (in technical jargon, lipids), which in biochemistry are the best way in which an organism can store energy. The almond, which is nothing other than the almond seed (Prunus dulcis), uses nutrients and ...

The false ceiling is used to "hide" the electrical systems in many offices: functioning and types

The false ceiling is used to “hide” the electrical systems in many offices: functioning and types

The false ceiling constitutes a non-structural component of the building envelope that allows for physically separate the internal environments of the building from ceiling system component: ventilation and air conditioning ducts, electrical walkways, pipes and other elements not compatible with floor installation. Not all buildings are equipped with them: adoption depends on complexity of the systemsgive it architectural and functional ...

The “Jerk” tool for predicting volcanic eruptions via signals: will be used on Etna

The “Jerk” tool for predicting volcanic eruptions via signals: will be used on Etna

The researchers developed a tool called “Jerk”, capable of detect weak signals generated by rising magma before a volcanic eruption. The instrument has already been successfully tested for a decade at the Piton de la Fournaise volcano on the island of Réunion, of which it has expected most eruptions with a few hours to a few minutes’ notice. Scientists from ...

Why our mouths water when we see a pizza: the body prepares for the arrival of food

Why our mouths water when we see a pizza: the body prepares for the arrival of food

The sight of a steaming pizza, the smell of bread or a freshly baked croissant and we find ourselves with the famous “mouth watering”, which is nothing else than an increase in saliva. It is the sign that the brain is starting to prepare for the arrival of the foodin a process called cephalic phase. THE’increased salivation is among these ...

Doggerland, the submerged land of the North Sea was rich in forests in the last ice age: the study

Doggerland, the submerged land of the North Sea was rich in forests in the last ice age: the study

The map of the Doggerland territory. Credit: University of Bradford Submerged Landscape Research Center & Nigel Dodds. The land bridge known as Doggerlandwhich linked England to Germany and Denmark during thelast ice ageit was covered by forests when much of the northern hemisphere was instead occupied by ice. A new study from the University of Warwick, published in the journal ...