7 Most Dangerous Jellyfish in the Underwater World

Photo 3 of 8

Hairy cyanea (Cyanea capillata)

This jellyfish is also often called the «lion’s mane» because of its voluminous tentacles and rather impressive size. The diameter of the cyanea dome can reach 2.5 m, and the tentacles — 30 m in length. The bite of the giant jellyfish is quite painful, and the toxins in the venom can cause allergies in humans or kill small fish. At the moment, only 1 case of death has been registered in the world after the burn of this jellyfish.

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 ...

10 Breeds of Dogs Ideal for an Apartment

Surely a dog is a friend of man. However, not everyone can afford to get such a friend because live in an apartment. But this does not matter! We have compiled for you a rating of dogs that are most suitable for keeping in an apartment.