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At leisure / Interesting Facts

To help the erudite. Database on the history, geography, biology, science, technology, sport, culture, traditions of the peoples of the world. According to the materials of the press and the Internet.

Random interesting facts:

By playing recordings of sounds made by cows to their calves, English biologists have found that two days after birth, the calf already recognizes the voice of its mother. On the contrary, cows react equally emotionally to the sounds made by both their own and other people's calves.

 


 

In order to describe a new species of marine planktonic microorganisms, a biologist needs a year of work.

 


 

Physicists at the Free University of Berlin are working on a laser beam that can cause moisture to condense in clouds, so that an ultra-short pulse of light can cause rain.

 


 

American ophthalmologists have shown that a collar that is too narrow or a tie that is too tight can increase intraocular pressure by 2,6 millimeters of mercury. It is possible that prolonged wearing of such strangleholds around the neck may contribute to the development of glaucoma.

 


 

A group of genes has been found in the sixth human chromosome, a rare mutation of which increases the risk of lung cancer by 14 times even with very moderate smoking. Geneticists hope to develop a special test that will allow people with such a mutation to be warned in advance that they should not even try smoking.

 


 

Drivers between the ages of 18 and 21 make up just 7% of all license holders in England, but they account for 13% of fatal accidents.

 


 

Diabetes most often begins in March. Hungarian doctors came to this conclusion after studying the statistics of diagnosing diabetes for five years in one of the regions of Hungary. This disease is found in March one and a half times more often than in August.

 


 

According to MIT's computer model of the human family tree, our closest common relative in this tree lived just 3500 years ago.

 


 

After studying 1295 square kilometers of the North Pacific Ocean, biologists found that for every kilogram of living plankton there are 10 kilograms of floating plastic debris.

 


 

On many beaches of the Mediterranean coast of France, a serious threat to marine organisms is the remnants of cosmetics, which are washed into the sea from the bodies of vacationers. These are mainly sunscreen lotions, creams and oils. They form a greasy film on the water, which prevents the penetration of oxygen into the depths.

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