7 Most Dangerous Jellyfish in the Underwater World

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Portuguese boat (Physalia physalis)

The second name for jellyfish is physalia. Although this is rather not even a jellyfish, but a whole colony of polypoid and medusoid individuals. The «bite» of a Portuguese boat is extremely dangerous and painful (sensations are compared to hitting the skin with a whip). The main risk is the systemic effects of the poison. In severe cases, intense pain is followed by fever, shock, and impaired heart and lung function, which can lead to death. Physalias are accustomed to moving in groups of up to 100 colonies, and sometimes in resorts they have to close entire beaches because of them!

ANIMALS Funny Shots of the Uneasy Relationship Between Cats and Dogs

Funny Shots of the Uneasy Relationship Between Cats and Dogs

You probably know pictures from the Internet, which show the true friendship between pets and their devoted love for each other. It is so dear to look at such shots that the heart is squeezed by the sugary sweetness. But, as you probably already guessed, reality sometimes looks a little different and not all furry members of the same family get along as peacefully and amicably. Often their uneasy relationship gives a lot of trouble to their owners, but one cannot argue with the fact that their internecine showdown always looks very comical!
SOCIETY A Young Trucker Told About Her Work

A Young Trucker Told About Her Work

There are some women who are not afraid to go beyond the generally accepted framework and do as their hearts tell them, even if it alerts the society and raises a lot of perplexing questions. Ekaterina Mironova, a trucker from Nizhny Novgorod, Russia is just such a woman. She told about her work, a 20-ton truck and the dangers on the road in one of the interviews ...
INTERESTING 6 Forbidden Types of the Most DANGEROUS Weapons

6 Forbidden Types of the Most DANGEROUS Weapons

Throughout history, mankind has never stopped trying to create various types of weapons for various purposes. At the same time, while mankind created them, certain prohibitions on its use came out. For example, the popes banned the crossbow, and Homer spoke disapprovingly of the bow. In the 21st century, the scale of invented weapons reached a completely different level of danger, which can be called deadly. Which of the existing military guns managed to be banned and why are these inventions so dangerous?
ANIMALS Perhaps the Most Unpleasant But Interesting Facts About Cockroaches

Perhaps the Most Unpleasant But Interesting Facts About Cockroaches

It seems that there is no such person in the world who would love cockroaches. These disgusting insects often bother residents of apartments and houses, and besides, their neighborhood is not so easy to get rid of. What else is cockroaches infamous for? About this in the selection of cockroaches ...