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!

The 7 Worst Epidemics in Human History

The new year 2020 began with the advent of a new virus in the Chinese city of Wuhan. To date, coronavirus has claimed about 100 lives and continues to test people for strength. The history of mankind has repeatedly known extremely dangerous viruses and epidemics, which claimed millions of lives, wreaking havoc on the trail of panic and chaos. But even the worst of all infections, people managed to win and live on ... exactly until the next outbreak of some mutated flu.

50-year-old Stellar Beauties Who Easily Overshadow 30-year-olds

Probably, almost all celebrities are trying to make every effort to make their appearance admired and set an example, even if they are not already 30 years old. However, sometimes it happens that even 50-year-old women look much more pleasant and well-groomed than their young followers. Why did it happen? One can only guess, but we hope that the examples of women from today's selection will help you draw the right conclusions ...

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.