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 TOP Best Islands for Active and Beach Recreation

TOP Best Islands for Active and Beach Recreation

Are you tired and want to get distracted? These places will give you unforgettable impressions and the warmest memories of a lifetime. Warm sand, azure shores and a stunning underwater world will not leave anyone indifferent. This collection contains the best islands for rest and relaxation.
INTERESTING Al Capone`s Prison

Al Capone`s Prison

The world's first correctional prison in Philadelphia, with the full name of Eastern State Penitentiary, first received a prisoner in 1829. For more than 100 years of work, a lot of villains and criminals were there, one of which was the well-known mafia boss Al Capone. How was this place different from other prisons and what does it look like now? More on this later ...
AUTO Cars With Beautiful Female Names

Cars With Beautiful Female Names

Giving women names for cars is a romantic tendency of many automakers. Such names sound melodic and cannot be pronounced without much trepidation. In this collection, we look at a dozen of the most popular cars that bore (or still carry) female names ...
CELEBRITIES The Most Beautiful Men of World Cinema: 15 Photos

The Most Beautiful Men of World Cinema: 15 Photos

Male beauty has always been a very, very relative concept. Rather, here we are talking about charisma, fortitude and identifiable images that a man can carry in his appearance. Movie actors are men who have always been spoiled by female attention, their faces are well known and loved, which means many of them deserve to appear on this list. However, in today's selection we will highlight the identities of actors who, in our humble opinion, occupy leading positions in the ranking of the most handsome men in world cinema.