What languages do most people speak? Detailed answer

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What languages do most people speak? Detailed answer

Big encyclopedia for children and adults

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What languages do most people speak?

Over a billion speak Chinese as their mother tongue. In addition, even more people in many countries speak English, good or bad, although only 400 million consider it their mother tongue. In particular, in India it serves as the language of communication of various peoples and tribes, and throughout the world it is considered the language of international negotiations and business.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

Why does scarlet fever happen?

Scarlet fever is a disease that affects the mucous membranes of the nose and throat and is usually accompanied by a skin rash. This infectious disease is caused by a bacterium that belongs to the group of streptococci. Although the disease itself is no longer considered serious, other, more serious diseases can follow scarlet fever. The two most serious of these are rheumatic attacks and nephritis (kidney disease).

Scarlet fever most often occurs in winter. Half of the cases of scarlet fever occur in children between the ages of three and eight, and 90 percent in children under the age of fifteen. It is necessary for a person to get sick with scarlet fever once, and he develops immunity.

Many are carriers of the bacteria of this disease, located in the nose and throat, without getting sick. They spread the bacteria to other people through coughing or sneezing. After a person becomes infected with scarlet fever, two to five days pass, then the disease manifests itself with high fever, chills and vomiting. At the same time, the throat hurts a lot. It turns red, swollen and covered with white spots. The tongue also turns red and small swellings appear on it.

On the second day, small bright red spots begin to spread all over the body, arms and thighs. This rash appears due to poisonous secretions from bacteria. This toxic substance attacks the small blood vessels in the skin and enlarges them.

After seven to eight days, the rash fades, the temperature drops, and the throat clears. Scales appear on the skin of the soles and palms, which exfoliate. During the second week of the disease, a significant part of the skin on the face and body is exfoliated.

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Testing self-driving cars with a remote driver 01.03.2018

The California Motor Transport Authority said that as early as April, tests of self-driving cars, in which there will be no human driver, ready to take control if necessary, may begin in this state. Instead, the robot will be backed up by a remote operator.

This is a significant step towards the emergence of fully self-driving cars on the roads, since the presence of the driver in the car was previously mandatory in the rules.

According to experts, car sharing services will be the first to adopt remote control technology. So they can increase the number of passengers and eliminate the unproductive cost of transporting the "driver".

Remote control technology that complements self-driving motion technology is being developed by many companies, including Nissan, Waymo, Zoox, Phantom Auto, and Starsky Robotics. The remote presence of a person behind the wheel of a self-driving vehicle allows you to cope with the difficulties inherent in certain stages of movement and so far difficult to overcome for AI systems.

The new rules are due to be approved today, and from March 1, interested companies will be able to apply for testing. The first permits are expected to be issued on 2 April.

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