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 The most delicious borscht recipe

The most delicious borscht recipe

Borsch is by far the most authentic Ukrainian food. Red borsch with vegetables on beef broth, and with lard - it is not only tasty, but also healthy! Each Ukrainian mistress has her own, undeniably the best, recipe for rich borsch. The recipe published here can be taken as the basis for the preparation of this first dish and further supplemented with ingredients to taste and desire.
AUTO The Most Interesting Facts About Traffic Jams

The Most Interesting Facts About Traffic Jams

Residents of megacities and big cities know firsthand what traffic jams are, especially at rush hour. This collection will tell you about the most fun and unusual facts regarding traffic jams that affect major cities in the world ...
SOCIETY Coronavirus for the Good! The Extraordinary Effect of Quarantine on Nature …

Coronavirus for the Good! The Extraordinary Effect of Quarantine on Nature …

Now many people compare the coronavirus pandemic to World War. In just a few months, global quarantine managed to stir up the economies and health systems of many countries, but at the same time significantly affected the environmental situation in the world. “The planet is being cleared!”, shout scientists and ecologists from all sources. How exactly does this process occur and in what way is it manifested? We will talk about the positive impact of quarantine on nature in today's selection of facts ...
INTERESTING Color Photos of London During the Second World War

Color Photos of London During the Second World War

The attacks of the German Wehrmacht at the beginning of World War II brought a lot of fatal destruction and claimed more than one hundred lives. Many cities suffered from German “attacks”, but sometimes it seems that London has suffered the most: more than a million buildings were completely destroyed, more than 20,000 civilians were killed, but the Wehrmacht did not achieve its main goal, because the British’s strong spirit was not to break just ...
INTERESTING Top Slimming Stimulant Products

Top Slimming Stimulant Products

To lose weight, a sufficient number of all kinds of diets have already been invented. Most of them require tremendous willpower and, oddly enough, a considerable amount of money. But progress does not stand still and today scientists have compiled a list of products that will help get rid of extra pounds in the "background", simply by eating fat-burning foods.