Ecology

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Why are railway tracks (almost) always covered with stones?

Have you ever wondered why the train tracks rest on cobblestones and stones? Some might think that they are there to prevent weeds from growing, but in reality those without the right maintenance would grow anyway. Let’s see what all the functions of the gravel found on the tracks. What is railway ballast? The pile of stones you see around ...

Alluvioni Emilia-Romagna

Three floods in a year and a half: why Emilia-Romagna is so prone to flooding

The flood in Emilia–Romagna in September 2024. Credit: Vigili del Fuoco The damage from the floods that are hitting Emilia-Romagna continues just over a year after the floods of 2023. The situation is still critical in Crossingfraction of the municipality of Bagnacavallowhere the embankment of the Lamone river collapsed and at the moment there are two missing. The day still ...

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Why Do We Like Gossip? Three Sociological Theories About the Meaning of Gossip

In the age of social media, gossip is never lacking. A recent example is the dissing in progress between Fedez And Tony Effewith musical tracks and stories on Instagram, which is setting social media on fire and filling the pages of websites gossip. While on the one hand there is curiosity for a controversy between celebrities, on the other hand ...

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How to block spam on WhatsApp and report suspicious contacts

Receiving unwanted messages on WhatsApp It is a growing problem and more and more users would like to learn how to block spam And report user and group that haunts them. But why do spam messages arrive on WhatsApp? Often the numbers are collected from public databases, forums or even through phishing techniques, to then be used by unscrupulous malicious ...

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The “comet of the century” C/2023 A3 is almost here: how and when to observe it

Credit: Gianluca Masi, via The Virtual Telescope We are now close to the moment of truth for the comet C/2023 A3 (Tsuchinshan-ATLAS)renamed “comet of the century” due to the great expectations surrounding the brightness it could reach in our skies. The comet is close to perihelion (the point in its orbit at its minimum distance from the Sun), which will ...

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Google Chrome has fixed a flaw exploited by North Korean hackers: how to update your browser

If you use Google Chrome or any Chromium-based browser (such as Microsoft Edge), we recommend you to please update it asap! In the past few weeks, the Chromium security team, in collaboration with Microsoft, has fixed two critical vulnerabilities, identified as CVE-2024-7971 And CVE-2024-7965which had been exploited in early August by a hacker group linked to the North KoreaThe group, ...

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Many Cave Art Works May Have Been Done by Women: Dean Snow’s Theory

Cave of Altamira. Public Domain And if they had been Almost all women the first artists of the history of humanity? This theoryproposed over ten years ago by the archaeologist Dean Snow of Pennsylvania State University, would overturn decades of archaeological theories according to which it has always been taken for granted that the first artists were predominantly menoften because ...