The respiratory system of birds is also characterized by signs of adaptation to flight, during which the body needs enhanced gas exchange. This system of organs in birds is considered one of the most complex among all groups of animals. Departing from the throat is long Read more "

Negroid (black) race - the race to which the majority of the indigenous population of Africa belongs. Black skin, long legs and short hips, curly, similar to wool, hair, prognathism, a wide, flat nose are characteristic features of Negroids. Read more "

Compatibility horoscope: the zodiac sign libra is lucky numbers and days of the week - the most complete description, only proven theories based on astrological observations of several millennia. Libra's motto is "I call." It is to the balance of everything and Read more "

Walking through the forest, on stones, snags, trees, you can notice the relief growths or "bushes" of different colors and shapes. This is what lichen looks like. For a long time he was a real mystery to doctors and researchers of nature. Since ancient times, people used lichen Read more "

   Armenia is an ancient country with prevailing traditions and cordiality, which has become legendary throughout the world. Here are their customs and beautiful traditions associated with the invitation, meeting guests at home. But today we’ll tell you not about the Armenian foundations, but about hi Read more "

Try to write your name in hieroglyphics. Use the following characters instead of vowels: Unstressed vowels can be skipped or replaced with similar ones. Instead of put f, and instead of l - sign (ideogram lion). In this exercise, you are on Read more "

The last days before the eviction of us, the last inhabitants of the planet, into eternity. Read the last few days. Hereafter, after the introduction of the TEXT OF THE ORTHODOX SERVICE (from the book “The Hourly Book”), WHICH WAS UNDER STATE “EMPEROR ALEXANDER ADEKSANDROVICH” (father N Read more "

Representatives of cl. Ascomycetes and Cl. Basidiomycetes (sometimes combined in the Carpomycetes group) and most of the imperfect mushrooms (Fungi imperfecti group or L. deuteromycetes L.), forming fruiting bodies as opposed to lower mushrooms, ... ... Dictionary b Read more "

Symbols are the most international and timeless language. We see them every day and roughly know what they mean. However, symbols in the course of their thousand-year history could change the meaning to the opposite. Read more "

During the XIX-XX centuries. another classification of languages \u200b\u200bis being developed, called the typological or morphological classification. The basic principle of this classification of languages \u200b\u200bis the provision that all languages \u200b\u200bof the world, regardless of Read more "