Now the tea mushroom already becomes a rarity, and earlier it stood almost on each kitchen. Then this drink was replaced by various types of carbonated drinks, but today the tea mushroom returns to us again. There is no wonder, except original taste and ability perfectly I am eager to satisfy, it still has a number of useful properties. In former times to find a tea mushroom didn't make work, was to glance to neighbors enough, all had a tea mushroom. And now it is very difficult to find it. But it doesn't matter, the tea mushroom can be grown up most.

With arrival of fall the sky is clouded by heavy rain clouds, sunlight becomes less, foliage of trees and a grass turn yellow and over time fall down. Why in this gloomy season the leaves gain yellow color?

There is a huge number of the hypotheses explaining the cause of dreams. Some conclusions are based on scientific confirmations, others are only arguments. Each person at any age has dreams. If it seems to you that dreams ceased to dream, then such opinion can be considered not only delusion, but also a reason for concern. Such situation very simply speaks – you ceased to remember night visions that demonstrates violation of your psychological state.

The smallest positive period of function in trigonometry is designated by f. It is characterized by the smallest value of positive number T, that is less its value T will not be the function period any more.