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!

INTERESTING What are these products made of? You will not believe!

What are these products made of? You will not believe!

At first glance, all these products are quite edible and appetizing and look so realistic that immediately there is a desire to sweep them off the plates without a trace. In fact, all this food is the work of the talented Japanese sculptor Seiji Kawasaki, who makes identical-looking food products from ... wood!
INTERESTING Empty Ghost Towns in China

Empty Ghost Towns in China

In the early 2000s, the Chinese government threw all its efforts into the construction and development of large cities. For this reason, today we see many skyscrapers, large business centers and residential buildings built according to the latest technological inventions. This process does not stop to this day, and therefore if you ride around China today, you can stumble upon real ghost towns. Large, equipped with everything necessary for life, but did not know it ....
ANIMALS The Most Popular Cats on the Internet

The Most Popular Cats on the Internet

You probably met photos of these cats and kitties in different social networks. Their appearance and entrepreneurial owners made them real stars. Here you will see the top 14 most popular cats on the Internet. Go!
ANIMALS Animals That are Almost Impossible to Find in the Wild

Animals That are Almost Impossible to Find in the Wild

The main problem of the extinction of these rare animals is the overpopulation of their habitats, global catastrophes and weather disasters. So far, people have not wiped out unique species of fauna from the face of the earth, let's look at those who can hardly be found in the wild ...