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Car wash with bacteria

12.02.2001

In the German town of Filderstadt, a car wash has opened, in which bacteria work.

Water in this installation is used repeatedly. The filter that filters dirty water after washing cars is populated with a specially bred strain of bacteria capable of decomposing oil products.

In addition, the water passes through a conventional filter that traps dirt and sand grains that could scratch the car's paintwork. As a result, water consumption is reduced by 95 percent.

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Absolutely legal doping 26.01.2013

English biochemist Michael Gleason sums up the results of the Summer Olympics held in London: many athletes used permitted types of doping, such as caffeine, soda and beetroot juice.

Caffeine was once banned in professional sports, but now athletes use it no less freely than, for example, office workers. It stimulates many physiological functions. And the difference in the efficiency of the organism of the sprinter who took the first place in the hundred-meter race and the one who came last can be only one percent. A cup of good strong coffee can provide this supplement. The use of ordinary drinking soda as a dope is based on the fact that with prolonged muscular effort, lactic acid accumulates in the muscles. It causes a burning sensation in the muscles and weakens muscle contractions.

Some athletes take baking soda to neutralize the acid, increasing the alkalinity of the blood. True, for many, because of the reaction with acidic gastric juice, soda can cause bloating in the stomach. Beetroot juice is also not prohibited, which, as experiments have shown, in competitions lasting 2030 minutes, can increase the efficiency of muscles by two to three percent. The reasons for this are not entirely clear, but it is suggested that the nitrates contained in beet juice act this way.

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