Сообщения

Conflict in Nagorno-Karabakh. New methods of war

Изображение
For the past several months, the world has been riveted to the protracted standoff between Russia and Ukraine. The civilians of the conflict countries are worried about their relatives and compatriots in the war zone, as the number of victims has long exceeded thousands. Independent experts are increasingly attributing everything that is happening to a conflict between the world superpowers - America, acting under the veil of Ukraine and the Russian Federation, which became an enemy of the entire world community overnight. Although, in principle, this state of affairs has always been the case for Russia. It is just that today everything is accompanied by an armed clash on the territory of another state. But it is not only on the territory of long-suffering Ukraine that gunfire can be heard. At present, a conflict as old as the world itself has escalated. The other day there was another high-profile armed clash on the territory of Karabakh. The representatives of the Ministries of Forei

Chewing gum - good or bad for humans and the environment

Изображение
In order to answer this question, let's understand how chewing gum came into being in the first place. People since ancient times around the world chewed natural materials. First it was hardened resin and milky sap of trees, various sweet herbs, leaves, grains and waxes. For example, in Greece, the resin of the mastic tree was chewed to cleanse the teeth and refresh the breath. The Indians quenched their thirst with the resin of conifers. In Russia, larch resin was used. In the early 19th century, pieces of resin began to be sold. Then the resin was replaced by sweetened paraffin wax. Modern chewing gum came from chewing gum made of chicle, which is the sap of the sapodilla tree from the rainforests. Then they started using rubber to create chewing gum to exercise the jaws and strengthen the gums. Nowadays, chewing gum is made from artificial latex, and chewing gum has become more elastic and less sticky. About the effect of chewing gum on people and their health many studies have