7 Most Dangerous Jellyfish in the Underwater World

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Clinging jellyfish (Gonionemus vertens)

This unique jellyfish has a very characteristic appearance for its name. Under a transparent dome up to 80 mm in diameter. you can see a brown cross and 60 thin tentacles, each of which carries a «bag» with stinging cells. The venom of this jellyfish is fatal after a second burn. After the first person is threatened with numbness of the extremities, lower back pain, difficulty breathing, nausea and thirst for 3 to 4 days.

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.

TOP 10 Attack Helicopters of the World And the Present

For half a century, attack helicopters have made a significant contribution to the total strength of the military forces of various countries. Impact helicopters are capable of hitting ground, sea and even air targets. Such helicopters carry a deadly threat to any tank or other armored unit of military equipment. Most countries have long equipped their military forces with similar “machines” and some of them even entered the ranking of world leaders ...