Ecology

ameba mangiacervello

What is the “brain-eating” amoeba, where is it found, what are the symptoms and why is it so dangerous

The so-called “brain-eating amoeba” is the common name of the Naegleria fowleria unicellular eukaryotic organism that can move through specific extrusions and is mainly found in fresh, warm water (up to 46°C) in dirty pools, hot springs, lakes and rivers. The nickname “brain eater” derives from the fact that this organism causes man primary amoebic meningoencephalitisa very rare and extremely ...

crateri permafrost siberia

Mysterious craters produced by explosions on the Siberian permafrost: the study on their origin

Crater found on the Yamal Peninsula. Credit: AGU / Morgado et al. Starting from 2013 mysterious craters have appeared on the surface of the permafrost of the Siberian tundra, the first of which on the peninsula of Yamala northwestern region of Siberia. A recent study published in the journal Geophysical Research Letters led by researchers from the University of Cambridge ...

perche abbiamo inventato i mostri zombie vampiri

Why did we invent monsters? The origin and meaning of vampires, zombies and other creatures

For centuries, vampires, zombie And ghosts they exert a certain charm incollective imagination: in European legends, for example, the vampire embodies the fear of the unknown and of otherness, while in other cultures, such as the Haitian one, the zombie represents the terror of losing oneself. These monstrous beings originate from beliefs And ancient symbolsoften intertwined with natural phenomena or ...

Immagine

Iceland, “unlimited” geothermal energy from underground magma? Let’s clarify

Following a CNN report, there is a lot of talk about theIceland and the possibility of produce geothermal energy”unlimited” taking advantage of the magma present at approximately 2 km deep. The topic is more relevant than ever after the creation of a new volcano on the Reykjanes peninsula after approximately 800 years of inactivity with various volcanic eruptions between 2023 ...

trojan malware

A trojan is not a virus: what it is, how it works and how to defend yourself from this malware

The DDA of Milan has highlighted a vast hacking system that gained access to the data stored in the Joint Investigation System, the heart of the Interior Ministry databases through a Remote Access Trojan. Contrary to what many people think, Trojans are not computer viruses, because they do not have the ability to replicate: i trojanoften known as trojan horserepresent ...

snooze sveglia iphone

Did you know that iPhone alarm snooze lasts 9 minutes? Here’s why and how to set it up

If you have a iPhonewhen you activate it snooze of the alarm clock – i.e. the function to postpone the alarm time – you have 9 minutes extra rest before it rings again. But why 9 minutes and not a “round” figure, for example 10 minutes? This detail was apparently inherited from the world of mechanical watches, with a history ...

falsa mazza tamburo

Toxic alien mushroom in Calabria: how to recognize this exotic species and what it causes

Along the Ionian coast of Calabria the presence of the False Drum Mallet (Chlorophyllum molybdites), a mushroom of tropical origin (it is widespread in Central America) which is toxic and very similar to Drum Mallet (Macrolepiota procera) which is edible and rather appreciated. The new report for the Calabria region occurred thanks to the mycologist Ernesto Marrahead of the Mycological ...

password NIST

Is it true that changing passwords often increases computer security? No, according to experts

Change your password often it is a widespread practice to improve online security, because it helps protect your accounts from attacks by cyber criminals and malicious people. However, recently more and more cybersecurity experts argue that this habit can be ineffective and sometimes even counterproductive. When you feel forced to regularly change your password, it is in fact common to ...