Martin Seligman

What are equally those single mothers who do the unspeakable to give them to their children the best education. Young people who lead prevention message to their peers so that they do not fall into the drug habit; How is it that doctor that cares not only for the health of their patients but have…

Density

The critical radius of a celestial body is determined from the balance of gravitational force, attracting celestial body to the particle and the centrifugal force acting on the particle, provided that its speed speed equals the speed of light. The density of the celestial body in these circumstances is critical. For example, for our Sun…

Unique Books Vladimir Regional Library

Every person for various reasons constantly uses the knowledge gained by previous generations, and at all stages of dealing with fixed-documented results of his search, presented in the form of printed works, electronic resources, audio-visual materials, etc. The most complete collections of their own libraries, archives and museums. One of these repositories of cultural values…