On January 4, the Earth will be as close as possible to the Sun. Free Technical Library News

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On January 4, the Earth will get as close as possible to the Sun.

04.01.2017

Our planet will be at its closest point to the Sun on January 4, and this is not the only cosmic event that will happen to us in the coming days.

On Wednesday, the Earth will be at perihelion, which is 5 million kilometers closer than the farthest point of aphelion, the distance between the Sun and the Earth at the time of crossing this point will be 147 million kilometers. The Earth passes both points once a year.

And on the night of 3 to 4 we will be able to see the starfall from the Quadrantida meteor shower, small cosmic bodies will burn at an altitude of 80 kilometers, but there will be a lot of them, 200 pieces per hour, so there is every chance to watch the winter meteor shower.

In addition, a total solar eclipse is expected in 2017.

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Carbon dioxide against obesity 12.06.2018

Researchers from Northwestern University offer an unusual way to fight obesity - it turns out that you can get rid of excess fat with the help of carbon dioxide, introducing it into fat accumulations in the abdomen.

By itself, the negative effect of CO2 on abdominal fat was observed before, and even clinical experiments were carried out on humans, and the results of such experiments suggested that it was indeed possible to reduce body fat in this way. However, so far there have been no so-called randomized controlled trials, when volunteer participants are randomly divided into groups so that one group is treated with some new drug or method, and the other (control) is treated with conventional, standard methods or a placebo.

In medicine, it is randomized controlled trials that are considered the quality standard - after them one can say with confidence whether a particular drug (or treatment method) works or not. And now the effectiveness of the action of carbon dioxide on fat is precisely in such experiments and checked. Sixteen adults who were not excessively overweight, but who nevertheless had noticeable body fat (their body mass index was 22-29 kg/m2), were injected into the abdominal cavity with 1000 cubic centimeters of carbon dioxide.

The amount of subcutaneous fat from carbon dioxide really decreased - this was visible both in special ultrasound studies and in the circumference of the abdomen. However, the effect was short-lived: if a few weeks after such therapy, the participants in the experiment still had less fat than before, then after seven months everything returned back.

CO2 only changes the metabolism of fat cells, without killing them, so that they decrease in volume for a while, but then regain all the lipid deposits that they have lost. It is possible that in the future the effectiveness of anti-fat carboxytherapy can be increased, and it will last longer, so that it can be used to treat those obese people who, for one reason or another, cannot or do not want to be treated by other methods (such as cryolipolysis, high-frequency ultrasound and etc.).

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