7 Most Dangerous Jellyfish in the Underwater World

Photo 5 of 8

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!

CELEBRITIES The Most Beautiful Men of World Cinema: 15 Photos

The Most Beautiful Men of World Cinema: 15 Photos

Male beauty has always been a very, very relative concept. Rather, here we are talking about charisma, fortitude and identifiable images that a man can carry in his appearance. Movie actors are men who have always been spoiled by female attention, their faces are well known and loved, which means many of them deserve to appear on this list. However, in today's selection we will highlight the identities of actors who, in our humble opinion, occupy leading positions in the ranking of the most handsome men in world cinema.
SOCIETY Everywhere Cheating: Instagram / Reality Collages From a Girl From Thailand

Everywhere Cheating: Instagram / Reality Collages From a Girl From Thailand

Pictures on Instagram are full of faces of successful young business women and cute guys in Calvin Klein. Users of the popular network are often willing to spend the whole day searching for the original location or give the last $ 100 to highlight an expensive accessory in the photo. All this is necessary in order to appear happy, successful and independent. It seems, but not ... The girl from Thailand decided once and for all to show what is behind the curtain of beautiful photos and created a series of Instagram / Reality collages.
ANIMALS The Most Famous Animal Attacks on Humans

The Most Famous Animal Attacks on Humans

No matter how kind and affectionate the tamed animal is, it still remains an animal. Therefore, any factor can become a provocation for him to attack, because, first of all, the main difference between an animal and a person is its animal instinct ....
ANIMALS 10 Erroneous Facts About Animals

10 Erroneous Facts About Animals

Some knowledge about animals was passed on to us by word of mouth, some we learned at the school desk, and some we learned from the media. But is all our knowledge true? We picked up 10 erroneous facts about animals that you might not have guessed about ..
AUTO 10 SUVs With Which it is Better Not to Measure Anything

10 SUVs With Which it is Better Not to Measure Anything

Most people are accustomed to the fact that an SUV is primarily a car that can overcome any obstacles that may be encountered on the way: whether it be dirt, stones, holes or dense foliage. However, the news of SUVs declare themselves quite boldly: it is better not to compete with them!