No, this is not a list of the worst cities in the world – let compiling such lists are engaged ecologists and sociologists. We are talking about cities that tourists love to bestow his attention, and negative impressions of which would be enough for a separate library.
In writing this information does not intended to discourage you to go to this or that place. In the end, if the whole world consisted of perfect, clean and friendly cities, travel, eventually would become unbearably boring, is not it? Read the rest of this entry »
Oceans of liquid water existed on the surface of Mars in ancient times, can occur on the red planet through the greenhouse effect induced by high concentration of hydrogen in the atmosphere, say scientists in a paper published in the journal Nature.
Scientists maintain to study the mystery of mass flora the end of the Permian period. According to some researchers, this extinction that occurred about 250 million years ago and is considered the most significant in the history of the planet was due to the concurrent eruption of numerous volcanoes in Siberia.
