Ecology

The world's smallest QR code measures 1.98 square micrometres: smaller than a bacterium

The world’s smallest QR code measures 1.98 square micrometres: smaller than a bacterium

Credit: TU Wein The smallest QR code in the world barely measures 1.98 square micrometersa surface area smaller than that of many bacteria and absolutely invisible (the only way to use it is to use a microscope electronic) and with pixels just 49 nanometers wide, 39% less than the code that held the previous record. The code, entered in the ...

Why the flood in Calabria was so violent: an area at high hydrogeological risk

Why the flood in Calabria was so violent: an area at high hydrogeological risk

The flooding of the Crati river in Calabria caused numerous damages. Credit: Fire Brigade There province of Cosenzain north-eastern Calabria, was hit by very heavy rainfallwhich in recent days have reached 270 mm of rain cumulative in 48 hours. This brought the Crati river to break its banks in several places in the Sibari Plainand then comes out and floods ...

Sleeper shark spotted at 490 m depth in the freezing waters of Antarctica: it's the first time

Sleeper shark spotted at 490 m depth in the freezing waters of Antarctica: it’s the first time

Sleeper shark spotted in Antarctic waters. Credit: Minderoo–University of Western Australia (UWA) Deep–Sea Research Centre A southern sleeper shark (Somniosus antarcticus) was spotted for the first time in the deep, cold waters ofAntarctica. The sighting, possible thanks to a decoy camera from Dal Minderoo–University of Western Australia (UWA) Deep-Sea Research Centreis the southernmost one ever of this elusive species. Although ...

Lockdown Mode arrives on ChatGPT for security against hacker attacks: what it is and how it works

Lockdown Mode arrives on ChatGPT for security against hacker attacks: what it is and how it works

There Lockdown Mode by ChatGPT was created to respond to a concrete security problem that emerges when artificial intelligence systems begin to interact in a profound way with the Web and external applications. This advanced and optional protection mode designed for a small number of high-risk users which drastically reduces the possibility of data exposure by strictly limiting the AI’s ...

Phthalates in perfumes are not dangerous: what the EU regulations say for cosmetics

Phthalates in perfumes are not dangerous: what the EU regulations say for cosmetics

Just scroll through social media to come across videos or posts that warn against an everyday and seemingly harmless gesture: spraying yourself with perfume. We hear everything said that they are dangerous because they contain phthalates that is, endocrine disruptors, which make you fat, which damage the thyroid because they are sprayed right on the neck. But how much truth ...

One Italian in five practices sports at home, according to Istat data on home fitness

One Italian in five practices sports at home, according to Istat data on home fitness

One Italian in five he trains independently At home or in condominium spaces, thanks also to the spread of apps, online tutorials and digital tools. A trend that particularly involves 25-54 year olds, with a slight prevalence among women and those who live in the Centre-North. According to i ISTAT datain 2024 over 21.5 million Italians aged 3 and over ...