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 Actual Sizes of Some Things: 20 Examples With a Comparison!

The Actual Sizes of Some Things: 20 Examples With a Comparison!

The truth is, everything in this world is known in comparison! Human vision is an amazing thing, but alas, it is not always possible to trust it. Sometimes, in order to understand the real size of certain things, sometimes familiar to us, things, they just need to be placed next to those whose real sizes we know for sure. You will be surprised how big or small some objects, phenomena or creatures actually are, the real size of which we could not have guessed.
SOCIETY Before And After: Incredible Weight Loss Transformation

Before And After: Incredible Weight Loss Transformation

Throughout the world, up to 30% of the population is overweight. Someone does not have time to go to the gym, someone is not able to restrain from sweets, and someone simply does not have enough motivation. But people from today's selection are definitely not from this number, because their transformations are an example of what if you really want to, you can achieve everything and now they themselves serve as motivation for others ...
INTERESTING 9 Mysteries of the Past That Still Remain Unresolved

9 Mysteries of the Past That Still Remain Unresolved

The world is an amazing thing, filled with many secrets. To this day, researchers and great minds from all over the world are trying to solve the puzzles that our Universe periodically throws up to us. Some of them can be solved, althought not in the shortest possible time, but some remain unresolved for thousands of years and to this day confuse scientists. It is about such secrets and mysteries of the past that this collection will be discussed ...
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 ...