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!

Fancy Dog Breeds

Among the many well-known dog breeds are those that strike with their exotic appearance. In this collection we will consider the most unusual and rare dog breeds in the whole world!

The Most Creepy Houses You Can Rent on Airbnb

Travelers often use the services of the Airbnb website to find a suitable apartment at an affordable price during their trips. Some of them choose authentic places to plunge into the history of the city, and some look for the most terrible places to tickle their nerves on the eve of the feast of all saints and rent houses entwined with myths about paranormal phenomena ...