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

10 Breeds of Dogs Ideal for an Apartment

Surely a dog is a friend of man. However, not everyone can afford to get such a friend because live in an apartment. But this does not matter! We have compiled for you a rating of dogs that are most suitable for keeping in an apartment.

INTERESTING

10 Food Storage Mistakes That Are Secretly Costing You Money

INTERESTING

Many People Assume Neck Pain Comes With Age — But This Common Cause Is Often Overlooked

INTERESTING

8 Ways Love Affects Your Brain, According to Science

ANIMALS

10 Erroneous Facts About Animals

Some knowledge about animals was passed on to us by word of mouth, some we learned at the school desk, and some we learned from the media. But is all our knowledge true? We picked up 10 erroneous facts about animals that you might not have guessed about ..

AUTO

Cars for Export in the USSR

“Volga”, “Moskvitch” and “Lada” managed to see this world beyond the borders of their native country. Soviet cars were quite successfully exported even before the start of the war to countries such as Turkey, the Baltic states and others. In this collection, we will tell you about all the cars that were successfully used not only by russian people, but also by other people ...

SOCIETY