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Bit node. Travel Tips

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Bit node serves when mooring small vessels for mooring on a biteng, pal or mooring bollard. The running end of the painter or mooring line is wrapped around the biteng, then it is folded in half with a loop and passed under the root end. Here the loop is twisted once by 180 degrees and put on top of the biteng.

This method of securing the mooring end is simple and quite reliable.


Rice. 64. Bitten knot

Author: Skryagin L.N.

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Internet addiction is hidden in the genes 13.09.2012

A group of German researchers from the University of Bonn says that the Internet addiction of many users of the World Wide Web is often due to the mutation of certain genes. Scientists reported this in the September issue of the Journal of Addiction Medicine.

Researchers interviewed 843 people and found that 132 of them exhibit "problem behavior" associated with the Web - such users admitted that their thoughts constantly revolve around the Internet, and they show extreme anxiety when they do not have access to it.

DNA samples were taken from all interviewees. After analyzing the samples, the scientists found that in the genomes of those "addicted" to the Internet very often there is a mutation of the CHRNA4 gene, which is characteristic of people with nicotine addiction.

Researchers explain the connection between nicotine and network addiction simply. University of Bonn psychologist Christian Montag, lead author of the article, says that nicotine acts on a so-called acetylcholine receptor, which is formed by this gene, and in the case of the mutant gene, this receptor activates the reward center of the brain in response. The Internet, Montag believes, acts on the acetylcholine receptor in exactly the same way. The mechanism of this effect is not yet clear, and it remains to be studied before adequate treatments can be proposed.

Dr. Montag acknowledges that much more research is needed to further analyze the link between genetic mutations and internet addiction, but he says, "The findings point unequivocally to the genetic roots of online addiction."

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