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 A Huge Stone Ball in the Middle of the Forest

A Huge Stone Ball in the Middle of the Forest

The mountainous country of Bosnia and Herzegovina is shrouded in a considerable number of various miracles. These mysterious stone balls are just one of them. Most of these "balls" in the city of Zavidovichi. It was there, in the town of Podubravle that this huge ball of regular round shape was found, the study of which to this day is closely engaged by archaeologists and scientists ...
SOCIETY Age is Not a Hindrance: 10 Examples of Stylish Old Women

Age is Not a Hindrance: 10 Examples of Stylish Old Women

We live in an amazing time when not only young girls of 20-30 years old can be fashionable, but also elderly ladies, whom even the language does not dare to call "grandmothers". At the age of 60, they bloom with renewed vigor and, despite the graying curls, are not going to close at home and crochet, but quite the opposite - they live in a way that sometimes even young youth themselves do not live.