Ecology

How do plants know it's fall if it's still warm? The answer is in the daylight hours

How do plants know it’s fall if it’s still warm? The answer is in the daylight hours

Let’s imagine a day at the beginning of October: outside it is still 25°C, the sun is warm and somefall there doesn’t seem to be any trace. Yet many plants have already started preparing for the change of season. Some progressively stop growing, others modify their metabolism, while species that lose their leaves initiate the processes that precede senescence. But ...

Sánchez calls early elections in Spain: why has it come to this?

Sánchez calls early elections in Spain: why has it come to this?

Spanish Prime Minister Pedro Sánchez and the “acampada” of Puerta del Sol, in Madrid. The Spanish Prime Minister Pedro Sanchez announced the calling of early elections for November 29th, dissolving both bedrooms of Parliament with a statement from the Moncloa Palace. The decision comes after weeks of growing tensions in the country, with tens of thousands of people taking to ...

How a fire extinguisher really works and how to use it: the lesson from the Fire Brigade

How a fire extinguisher really works and how to use it: the lesson from the Fire Brigade

We were guests of Central Command of the Milan Fire Brigade for a video in which, together with the officers, we tried all types of fire extinguishers in safe conditions. The objective is to explain how these tools really work, which ones to choose depending on the type of fire and how to use them correctly. The starting point is ...

The school where Aristotle educated Alexander the Great over 2,300 years ago has been discovered in Greece

The school where Aristotle educated Alexander the Great over 2,300 years ago has been discovered in Greece

The Mieza complex. Credit: Greek Ministry of Culture TO Miezain ancient times Fruit salad (current northern Greece, near modern Naoussa, in the Emazia region), the new excavation campaigns are providing further elements to identify the Royal Gymnasium with the place where Aristotle (384/383-322 BC) educated the young Alexander, future Alexander the Great (356-323 BC). The complex, located near today’s Naousadates ...

Weather, autumnal turning point in Italy: two disturbances arriving and temperatures dropping by 5-7 °C

Weather, autumnal turning point in Italy: two disturbances arriving and temperatures dropping by 5-7 °C

First autumn week in Italy. Source: ECMWF After a long period characterized by a decidedly anomalous and typically summer meteorological phase more than autumnal, here as announced in the “October trend”, after an anti-cyclonic and hot start to the month, autumn really seems to want to start getting serious in Italy, starting from this week, already from Tuesday 6 October. ...

What are the 3 most dangerous seas in the world: from the Atlantic to the Drake Passage with waves up to 30 m high

What are the 3 most dangerous seas in the world: from the Atlantic to the Drake Passage with waves up to 30 m high

Rogue waves, off-scale winds, storms, poor visibility and currents that can send less prepared boats adrift. Even today, navigating the routes at the most extreme latitudes of the globe can be a challenge that should not be underestimated, despite modern nautical technologies and the most advanced oceanographic knowledge we have at our disposal. We are talking about regions of the ...

15% of Italian women have suffered violence before the age of 16

15% of Italian women have suffered violence before the age of 16

From Istat’s third survey on women’s safety, it emerges that the 15.3% from the Italian women between 16 and 75 years has suffered at least one physical or sexual violence before the age of 16: approximately 3 million victims. The most widespread form of sexual violence is unwanted touching in private parts, while physical violence results not only in pushing, ...

In Brazil there is a church covered in over 40 tons of purple amethysts: why so many?

In Brazil there is a church covered in over 40 tons of purple amethysts: why so many?

The Mother Church of São Gabriel in Brazil In the south of Brazilin the state of Rio Grande do Sulthere is a church whose interiors are almost entirely covered in purple amethysts: it’s about theIgreja Matriz São GabrielMother Church of São Gabriel. During its last restoration, which took place between 2003 and 2008, over 40 tons of geodes and crystals ...