Ecology

What we write to ChatGPT is not private: how to know what data it has collected to protect privacy

What we write to ChatGPT is not private: how to know what data it has collected to protect privacy

THE data we enter on ChatGPT they may not be entirely secret. In messaging apps, like WhatsApp, we are used to seeing the warning “Messages are protected by end-to-end encryption”. This means that no one except the sender and recipient can read them. With ChatGPT, and in general with other AI-based chatbots, it doesn’t work like that. Conversations with ChatGPT ...

Earthquake in Iceland of magnitude 5.8 in the Vatnajökull ice cap area

Earthquake in Iceland of magnitude 5.8 in the Vatnajökull ice cap area

A strong earthquake shock magnitude 5.8 hit theIceland today, 01/31/2026, at 11.55 local time – 12.55 Italian. According to what was reported by INGV, the hypocenter was located more than 110 km north-east of Akureyriin the area of ​​the ice cap of Vatnajökull. The epicenter was detected at 15 km of depth. Currently, the USGS reports a magnitude of 5.3. ...

Rechargeable magnesium batteries: what they are, how they work and what they are used for

Rechargeable magnesium batteries: what they are, how they work and what they are used for

In recent years, scientific research has been exploring an alternative path to lithium batteries: lithium batteries rechargeable magnesium batteries. Magnesium is an element abundant on Earth, economical and above all stable. In theory, magnesium ions can transport two electrons instead of oneoffering a potentially higher energy capacity. On the other hand, however electrolytes suitable for magnesium are still difficult to ...

Why fingers can change color in the cold: what science says about Raynaud's phenomenon

Why fingers can change color in the cold: what science says about Raynaud’s phenomenon

Scientific studies, such as those appearing on Vascular Specialistand bodies such as the Istituto Superiore di Sanità (ISS), define the Raynaud’s phenomenon is a condition characterized by a excessive response of the blood vessels of the fingers to stimuli such as cold or emotional stress. In these situations, the vessel wall contracts temporarily reducing the blood supply to the extremities ...

What were the "dollars of the Middle Ages" and why did they also circulate in Italy

What were the “dollars of the Middle Ages” and why did they also circulate in Italy

With “medieval dollars” we refer to a particular type of gold coins that during the medieval periodfrom the fall of the Roman Empire to the threshold of the modern age, were at the center of mercantile and maritime traffic, outside and inside Europe, from East to West. These coins were authentic instruments of trust and power. For this reason their ...

Why does salt cause water to come out of vegetables? It's osmosis' fault

Why does salt cause water to come out of vegetables? It’s osmosis’ fault

When we add a good amount of salt on the external surface of raw vegetables like cucumbers, aubergines or salad, after a short time we see water appear. It almost seems like the vegetables “sweat”, just like we do when we run. It’s not our sensation: the water is really leaving the plant cells of the vegetable. What we notice ...

How many submarines does Italy have: from the “Delfino” submarine to today's Navy fleet

How many submarines does Italy have: from the “Delfino” submarine to today’s Navy fleet

There Italian Navy currently has 8 submarines in service: the national fleet is made up of 4 units of the “Sauro class” and 4 of the “Todaro class”. However, “underwater boats” have always been “submarines” before and “submarines” then they captured the imagination of the general public and, at the same time, thanks also to the results obtained during several ...

The era of the athlete connected with wearables: what they are and what they are for

The era of the athlete connected with wearables: what they are and what they are for

Generated with AI Today sport is experiencing a silent revolution dictated by continuous technological evolution. The laboratory goes from being a physical place to a “second skin” to wear. The Polytechnic of Milan is at the center of projects that drive this transition and at the event Winter Sports Techthe professor Giuseppe Andreoni – Teacher of Industrial design studio for ...