What do beavers eat, why do they build dams, and why does a beaver have orange teeth? Read about it in our material devoted to the Beaver Day, which is celebrated on April 7.

The homeland of corn is Mexico. It was here several thousand years ago that it could be domesticated by local Indians. The wild corn cobs were tiny

Teeth are probably the most important part of the body

6 rules for effective tooth brushing

Tooth enamel is 92-96% inorganic substances. Most of the enamel is calcium - up to 39% and phosphorus - up to 19%. It is the ratio of these elements that is mainly responsible for the health of our teeth

Almost everyone is familiar with dental diseases, such as periodontal disease. Today let’s talk about tartar, which causes just as many problems. Plaque forms on the surface of the tooth enamel because of poor brushing