7 Most Dangerous Jellyfish in the Underwater World

Photo 5 of 8

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!

The Richest Animals in the World

The richest people in the world sometimes find themselves so attached to their pets that they are not ready to abandon their future lives even after their own death, leaving them an inheritance in the form of gold and mansions. Actually, in this way the list of the richest animals in the world was formed ...

Alcoholic Drinks With the Most Unusual Tastes

In the modern market there are many different types of alcoholic beverages: from sweet ale to strong, rich brandy. Many of us are familiar with and recognize the taste of most alcoholic beverages and it seems that we are no longer surprised. However, today's selection is designed just to prove the opposite ...

Empty Ghost Towns in China

In the early 2000s, the Chinese government threw all its efforts into the construction and development of large cities. For this reason, today we see many skyscrapers, large business centers and residential buildings built according to the latest technological inventions. This process does not stop to this day, and therefore if you ride around China today, you can stumble upon real ghost towns. Large, equipped with everything necessary for life, but did not know it ....

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.