Many people mistakenly believe that is the most expensive metals in the world - it is platinum, gold and silver. But in fact there are other dense chemical elements that are hundreds of times higher than their cost. A high price is determined by such indicators as rarity, inaccessibility and p...

Mountain peaks are one of the most interesting geological phenomena, popular among mountaineers. The European continent with its highlands, of course, can not compete with the Himalayan mountain ranges, but nevertheless among them there are those that deserve attention. To the attention of th...

The sea is a salt water reservoir, which is connected to one of the five oceans. But some of the seas are located inside the continent, the second are considered part of others, and the third - of the composite ocean. On our planet there are about 90 sea water bodies, which differ in size, shape...

The most dangerous places on the planet annually attract tourists-extremals, who are in search of thrills. And these places are really able to "give" a lot of adrenaline. Visiting such corners is associated with a high risk for life. The list of "exclusion zones" included cities, majestic mou...

Russia has the richest reserves of fresh water in the world. On its territory there are about 2 million rivers with a total length of more than 6.5 million km. The length of many does not exceed more than 100 km. But among them there are those that are rightly considered the major water arteries...

Volcanoes, for all their dangers, represent one of the most beautiful and majestic wonders of nature. Especially beautiful look active volcanoes at night. But this beauty brings destruction to everything around us. Lava, volcanic bombs, pyroclastic flows, consisting of incandescent volcanic gase...

The landscape of Russia is unique in its own way. It includes mountain reliefs, spreading plains and amazing beauty of the valley with picturesque rivers and other water bodies. The natural landmark of the country are the mountain ranges of the Caucasus, which are also called "five-thousand-poun...

According to the latest results of scientific experiments it was revealed that a person can survive for about an hour at a temperature of +71 degrees. If the rates rise to +80, any living organism can survive no more than 20 minutes. On the planet earth there are infernal corners where temperatu...

The most transparent are the waters of the Atlantic( 66 m), Indian( 50 m) and Pacific( 62 m) oceans. The seas entering into their composition are distinguished by the natural purity of the waters. But human activity exerts its influence on the environment, contaminating once the most crystal wat...

Mushrooms from ancient times, people began to eat. They not only belong to the most delicious food, but also the most satisfying. But not all macromycetes are equally useful and can be used. Some of them represent a serious danger to the human body due to high toxicity. In order not to become...