7 Most Dangerous Jellyfish in the Underwater World

Photo 4 of 8

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.

The Most Popular Amphibious Cars

These cars break all ideas about the latest technology and are able to travel not only by land but by water. Which of these amphibious cars will seem most unusual to you?

Ingenious Everyday Inventions: 17 Ideas

Every day, people around the world face many inconveniences in using familiar things. Fortunately, at the same time, other people invent ingenious devices that simplify a human’s life. It is about such necessary, but very simple at first glance, things and ideas that will be discussed today ...