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 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?
ANIMALS The Most Popular Cats on the Internet

The Most Popular Cats on the Internet

You probably met photos of these cats and kitties in different social networks. Their appearance and entrepreneurial owners made them real stars. Here you will see the top 14 most popular cats on the Internet. Go!
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 ...
ANIMALS Funny Shots of the Uneasy Relationship Between Cats and Dogs

Funny Shots of the Uneasy Relationship Between Cats and Dogs

You probably know pictures from the Internet, which show the true friendship between pets and their devoted love for each other. It is so dear to look at such shots that the heart is squeezed by the sugary sweetness. But, as you probably already guessed, reality sometimes looks a little different and not all furry members of the same family get along as peacefully and amicably. Often their uneasy relationship gives a lot of trouble to their owners, but one cannot argue with the fact that their internecine showdown always looks very comical!