Article myths

5. Rinsing your mouth with water after brushing your teeth means reducing the beneficial effect of the paste. You just need to spit out the excess toothpaste, not rinse your mouth with water. A study in Sweden among 4-7-year-olds showed that in a group that did not rinse their mouths after brushing and refrained from eating for 30 minutes after that, after 3 years, their teeth were 26% healthier than in the control group.

3. Frankenstein is not a walking dead man, but the name of a scientist who created a monster from the remains of dead people. He is a fictional character in the novel by Mary Shelley. In the book itself, the result of Viktor Frankenstein's insane experiments was unnamed. 4. It is not necessary to know your blood type in order to receive a transfusion in an emergency. Doctors must first analyze the blood group and Rh factor in order to calculate the exact analogue of your biomaterial.

2. The Middle Ages - the era when 30-year-olds were already considered old. This myth arose from statistical incorrectness. The fact is that in the Middle Ages there was a very high level of infant mortality, which pretty much spoiled the general statistics of life expectancy. Those who lived to be at least 5 years old, according to researchers, could well count on about another three decades of life. Life expectancy then was really short, but there is no need to talk about 20-year-old "old people".

It is generally accepted that it is a person who is the only bearer of intelligence. However, numerous studies of scientists have proved that the makings of the mind contains the brain of three species of monkeys, dolphins, elephants and forty. For example, these animals are able to recognize themselves in a mirror.

1. Only the human species on the planet has intelligence.