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!

15 Photos of Animals Strikingly Similar to the Stars

The world of people and animals has been closely connected by invisible threads for many centuries. Among amusing animals it is surprisingly often possible to meet familiar facial features of some world celebrities. Perhaps this is due to the popularity of celebrity, because it is their faces that we see every day on TV screens and pages of glossy magazines. But, from here it is easy to conclude that if you look closely, everyone can find a double in the animal world!

Quarantine: Isolation or Moment of Reboot and Rest

Quarantine ... Pandemic ... Coronavirus ... These words we now hear from everywhere. But it depends only on us how we perceive and project them onto our lives. You can panic and drive yourself into a corner, or you can choose the opposite option and regard it simply as a new period of your life, time to search for truth, new opportunities and affirmation of life values. And so, for those who, like us, choose the second option, we provide a selection of how to use time effectively and profitably, which, as it seems to us, lasts so long in conditions of social isolation.

A Huge Stone Ball in the Middle of the Forest

The mountainous country of Bosnia and Herzegovina is shrouded in a considerable number of various miracles. These mysterious stone balls are just one of them. Most of these "balls" in the city of Zavidovichi. It was there, in the town of Podubravle that this huge ball of regular round shape was found, the study of which to this day is closely engaged by archaeologists and scientists ...

Man, Stop it! Animals That Halved in 40 Years

More recently, the World Wildlife Fund has published statistics stating that wildlife has declined by 52% since 1970. Your attention is invited to a selection of animals that have experienced the influence of man on nature.