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!

INTERESTING 6 Forbidden Types of the Most DANGEROUS Weapons

6 Forbidden Types of the Most DANGEROUS Weapons

Throughout history, mankind has never stopped trying to create various types of weapons for various purposes. At the same time, while mankind created them, certain prohibitions on its use came out. For example, the popes banned the crossbow, and Homer spoke disapprovingly of the bow. In the 21st century, the scale of invented weapons reached a completely different level of danger, which can be called deadly. Which of the existing military guns managed to be banned and why are these inventions so dangerous?
SOCIETY Amazing Transformations of People of All Formats and Ages!

Amazing Transformations of People of All Formats and Ages!

Throughout life, a person is able to change beyond recognition, dividing his appearance literally into "before" and "after". Not only age-related transformations are capable of changing a person, but also a simple change of image, proper makeup and haircut. After viewing these photos, you will understand how capable of changing the appearance of a person after several years and a pair of hands of professionals.
INTERESTING Top Coolest Dance Clubs in the World

Top Coolest Dance Clubs in the World

Night clubs are places with a special energy that you should plunge into at least once in your life. We present a list of the most chic dance clubs from around the world, which everyone would surely like to visit.
SOCIETY The Most Famous Dictators of the 21st Century

The Most Famous Dictators of the 21st Century

Dictatorship is one of the forms of government by the state, the meaning of which is believed in unlimited power. Unfortunately (and maybe fortunately), in the modern world you can still meet real dictators at the helm. We present to you 10 of the most famous dictators.
SOCIETY 20 Photos From the Days of Prohibition

20 Photos From the Days of Prohibition

In the United States, Prohibition began to operate in 1920 and continued right up to 1933. For 13 years, people have tried in every possible way to circumvent the ban on the sale, production and transportation of alcohol, staged demonstrations, protests, and massively engaged in smuggling. In our time, it is still difficult to imagine the effect of this law in full force. However, what the consequences may be and how people lived during the prohibitions on alcohol can be seen in the next photo selection.
SOCIETY 9 Reasons Why You Can Not Leave the Child Alone in the Car

9 Reasons Why You Can Not Leave the Child Alone in the Car

Probably, every parent who has his own car, faced with a situation when he had to think, "How long can I leave the child alone in the car?". The answer to this question is categorical and unequivocal: if you need to leave for even a few minutes, in no case leave the child alone in a closed car! You can put his life and health in serious danger, and the consequences can be irreversible! The 9 main reasons that will clarify this ban will be described in today's selection ...