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Invisible Mouse

01.12.2011

As you know, the physicist Griffin, the hero of HG Wells' novel "The Invisible Man", found a means that makes the body of an animal or a person transparent.

Almost the same success was achieved by Japanese researchers from the Riken Brain Institute. Like Griffin, they keep the composition of their chemical secret, but they test it not on a cat, like the hero of the novel, but on a mouse. The Japanese made a mouse embryo transparent so that a luminous protein introduced into its brain could be seen, which made it possible to visually study the processes in nerve cells and fibers.

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Weakening of the bones - an obstacle to deep space flights 16.01.2018

An additional obstacle to human flight to distant objects in the solar system was discovered by scientists at the Charité clinic in Berlin. It turned out that in addition to the weakening of bone tissue, as well as the danger caused by solar and cosmic radiation, they may be disturbed by such a factor as space fever that occurs in weightless conditions.

Doctors studied the data of astronauts who worked on the International Space Station, and came to the conclusion that the temperature rises not immediately upon arrival at the ISS, but after several months. On average, the difference between the cosmic and terrestrial temperatures of the test subjects is one degree, that is, astronauts usually have 37 ° on board. One of the participants in the study, Hanns-Christian Gunga, also notes that during exercise, the temperature of the astronauts on board sometimes jumped up to 40 °.

He notes that the study was round-the-clock, with 11 people taking turns taking part in the experiment. To do this, sensors were used to record the slightest temperature changes in arterial blood, which were pasted to the members of the space crew on the forehead. These sensors showed the slightest fluctuations in the core body temperature in microgravity.

As a result, scientists came to the conclusion that the temperature on board the ISS increased for a number of objective reasons, factors in the absence of certain earthly conditions. For example, the required rate of evaporation of sweat, which should cool the body.

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