Ecology

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Why do almost all the great powers have a base in the small African state of Djibouti?

At this moment China, France, Italy, Japan, Saudi Arabia And United States of America they have each one or more military installations to DjiboutiWest African country overlooking the Strait of Bab el-Mandeb, one of the world’s main choke points. The list, however, could grow in the coming years given that also Russia And India have expressed their desire to open ...

animali piangono

Are humans the only animals that cry? Yes and no: tears in the animal world

There are many animals that produce tears, but theirs function And biological (eye protection or lubrication) and otherwise emotional or turn to communicate stress and pain. From this point of view, humans appear to be the only animals that exhibit tearing for emotional communication purposes. Animals communicate sadness and other emotions through other forms of body language or with unusual ...

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The least powerful atomic weapon ever made in history: the Davy Crockett rocket

Often, when we talk about atomic weapons, we focus on the most powerful, such as the Zadar bomb 50 megatonsor the most famous ones such as those of Hiroshima and Nagasaki (about 15 kilotons); however, we do not always ask ourselves what the opposite extreme is, that is, theleast powerful atomic weapon ever made. In this case we are talking ...

robot aspirapolvere

The technology of robot vacuum cleaners: from sensors to mapping how they are made and how they work

THE robot vacuum cleaner they are domestic cleaning devices typically circular in shape that vacuum floors by moving on wheels and guided by a set of sensors. These devices, born in 1996today I am a real concentration of technologies and offer ever-improving performance by combining powerful engines, advanced tracking sensors and AI-based navigation algorithms. The sensors equipped with robot vacuum ...

rapporto con la morte diverse culture del mondo

How does the relationship with death change in various cultures? From funeral mourning to “death positivity”

There death in itself it is not just a biological fact, but a real one phenomenon full of cultural, religious and philosophical meanings that profoundly influence how people, societies and different cultures they face life and its end. Each culture interprets death differently, with rituals, funeral practices And beliefs about the afterlife that reflect the values ​​of a community. For ...

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US elections, why are the elephant and donkey the symbols of the Republican and Democratic parties?

The reasons why in the United States the Democratic Party and the Democrats are represented bydonkey (and the color blue) and the Republican Party and the Republicans fromelephant (and the color red) must be looked for in the political history of the country inNineteenth century and by the need to be immediately identifiable. In 19th-century America, Democrats chosedonkey to reply, ...

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How to understand if our phone has been hacked: the 9 signs to watch out for

The hacking of mobile devices and, in particular, of smartphonesis an increasingly pressing threat, which affects each of us, with the risk, for example, of seeing one’s sensitive data stolen for criminal purposes. The risk spares no one: any type of mobile phone, whether Android or iPhone, can in principle be hacked. Understanding if your smartphone has been compromised by ...

8200 unit

What is Unit 8200 and what we know about the Israeli army’s technological intelligence

THE’Unit 8200 (יחידת 8200, in Hebrew Yehida Shmonae Matayim) is an elite unit of the Israel Defense Forces (IDF), created to conduct specialized military operations in cyber warfare. The objectives pursued by the 8200 unit, in fact, range from operations to electronic intelligence to operations in the domain cybernetic, both defensive and offensive, aimed at countering the enemy forces of ...