7 Most Dangerous Jellyfish in the Underwater World

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Sea nettle (Chrysaora)

Jellyfish, which can be recognized by their characteristic golden brown umbrella, which can reach 30 cm in diameter, and its 24 tentacles can stretch up to 2 m in length. After touching the sea nettle, a characteristic rash lasts about an hour on the human body, not to mention that the «bite» itself is quite painful. One thing pleases us — a meeting with this jellyfish does not threaten human life in any way, but caution will not be superfluous.

AUTO Accident at a Speed of 20 km/h of the 1930s

Accident at a Speed of 20 km/h of the 1930s

What do you think was the situation on the roads and accident statistics in the 1930s? How was car safety ensured? And how many people died in car accidents in those days and now? Little by little about everything in this photo compilation from places of accidents that occurred about 100 years ago!
SOCIETY «I’m an Engineer»: 25 Ingenious Inventions of Ordinary People

«I’m an Engineer»: 25 Ingenious Inventions of Ordinary People

Obviously, loyal fans of the Crazy Hands section from a popular TV show worked on inventions from today's selection. The genius of the authors of these ideas sometimes crosses the maximum mark, but let's be honest ... Who cares how and from what this or that device is made if it works 100%? We bring to your attention 25 ingenious inventions from the category of "I’m my mother’s engineer"!
AUTO The Most Popular Amphibious Cars

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?
ANIMALS 10 Interesting Facts About Hedgehogs

10 Interesting Facts About Hedgehogs

For many people, hedgehogs are associated with cute prickly animals that drag apples and mushrooms on their backs into a hole. In fact, the hedgehog is a predator that eats everything that it can find. And this is far from always mushrooms and berries ...