Dates, events, facts

The paints intended for hair, contain more than 127 chemical compounds,  from which 22 are hazardous for health. In countries of EC think of an interdiction of use of these paints.

As a result of weather changes trees give off  more nitrogen, which causes violent laughter. Simultaneously, nitrogen is thermal effect causing gas, more powerful, than carbon dyoxide Bacteria. The  bacteriums which are on roots of trees, work more effectively and when the heat and humidity of the air is high, draw up much  more gas.  In connection with global warming these indicators increase.

Till now basis for tooth artificial limbs is acrylic plate which, unfortunately, is firm, fragile and can harm gums and often breaks.

The Moscow chemists-engineers, cooperating with stomatologists, have developed new substance on a basis of polyurethane -dentalur which is more flexible and elastic material for tooth artificial limbs. The artificial limbs made of this material, easily, without metal hooks, are attached to a teeth. At last, application of dentalur does not demand cancellation of manufacture of the developed artificial limbs.