7 Most Dangerous Jellyfish in the Underwater World

Photo 5 of 8

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!

INTERESTING 11 Cancer Causing Foods

11 Cancer Causing Foods

We have long known that in order to prevent such a fatal ailment as cancer, you must adhere to a healthy diet and exclude foods with a high carcinogen content from your diet. But it turned out that this is not so easy to do, even if you have already refused delicious pastries and sweet cakes. Next, we present 11 dangerous products, the use of which must either be minimized or properly prepared before use.
CELEBRITIES Rare Archival Photos With Arnold Schwarzenegger

Rare Archival Photos With Arnold Schwarzenegger

During his long career, Arnold Schwarzenegger managed to be a bodybuilder, actor, businessman and even the governor of California, as well as collect many titles and awards. His successes and achievements are an undeniable reason for pride and envy, because Schwarzenegger really has something to respect for. These rare footage and archive photos will remind you what Arnie was like at the dawn of his career and the peak of his youth ...
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 ...
ANIMALS How Different Animals See the World

How Different Animals See the World

Everyone probably has long known that animals see this world differently from humans. Some may even know what exactly is changing in the visual perception of a snake, cow or turtle. But sometimes knowing in words is sometimes not enough, so we offer you to see everything with your own eyes!
AUTO TOP Unusual Facts About Cars

TOP Unusual Facts About Cars

Did you know why Steve Jobs always drove without numbers and why in the Porsche the ignition key is always on the left? We will reveal these and other interesting facts in this collection of unusual facts that you did not know about cars ...