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!

20 Photos on How Power Changes People

The people who are at the helm of government often have a huge responsibility, which alternates with stress tests and critical thinking. Such high-ranking posts are likely to reflect not only on the character and mental order of the heads of state, but also on their appearance. In this collection, we decided to trace how the appearance of the main people of the country changed through the years of their reign ...

20 Shocking Facts About China That Will Surprise You!

China is undoubtedly a great and very developed country. Perhaps there is nothing in this world that the Chinese could not do. This is a strong nation with a huge population and continuous growth of infrastructure used to surprise. Sometimes it seems to us that we already know a lot about this country and that it will be difficult to hit us with something new, but no such luck! Then you will find 20 of the most unexpected and stunning facts about China, which you are likely to hear for the first time ...

The Most Ridiculous Reasons for Children’s Tears

Children can cry for completely different reasons. But sometimes some of them reach the literal ... absurdity! Greg Pembroke, the father of a little boy, once created a website, which is called - "Why is my son crying." Since then, parents from all over the world have sent him pictures for publication in the likeness of those that we will show you now ...