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 The Evolution of Underwear: From the 1900s to Today

The Evolution of Underwear: From the 1900s to Today

Since the 1900s, such an intimate part of the women's wardrobe as underwear has undergone quite a few revolutionary changes. How did it happen that tight corsets evolved into thin bikini barely covering a naked body? Today we will try to recall the past decades and understand how women's underwear has changed over the years.
INTERESTING «A second before the disaster …»: 30 photos

«A second before the disaster …»: 30 photos

To catch a snapshot at the right time is an indescribable gift of a person that, fortunately or unfortunately, not all professional photographers possess, not to mention ordinary people. Photos taken a second before something inevitable are highly valued and will leave a mark in the memory of the participants for a long time. This is the selection of photos we have prepared for you today ...
SOCIETY «I’m an Engineer»: 25 Ingenious Inventions of Ordinary People

«I’m an Engineer»: 25 Ingenious Inventions of Ordinary People

Obviously, loyal fans of the Crazy Hands section from a popular TV show worked on inventions from today's selection. The genius of the authors of these ideas sometimes crosses the maximum mark, but let's be honest ... Who cares how and from what this or that device is made if it works 100%? We bring to your attention 25 ingenious inventions from the category of "I’m my mother’s engineer"!
INTERESTING The Most Fashionable And Beautiful Swimwear 2020

The Most Fashionable And Beautiful Swimwear 2020

Real fashionistas, long before the onset of heat, prepare for the high season and select trendy images that will correspond to the latest news. Swimwear designers have already demonstrated to girls a wide variety of models and forms of swimsuits for 2020, which you can see in this collection.