Articles

Cigarettes renew the lungs

Hydrogen peroxide, which is included in tobacco smoke, even in small concentrations activates the receptor responsible for the reaction of lung epithelial cells to growth factor, a signaling molecule with which the body controls the renewal of the lung surface. As a result, the cells begin to divide more actively.

Healthy on his own

Doctors are confident that Russian patients – both ordinary staff and superiors – will soon realize that it is much more profitable to monitor their health by undergoing medical examinations and doing prevention every year than paying for the treatment of a neglected disease.

Myths about "excess" weight

A whole industry has developed around weight loss, making a lot of money on the desire to lose "extra pounds". And this topic has become overgrown with myths, like the bottom of a ship with shells.

Hydrocolonotherapy: the myth of purity

Hydrocolonotherapy only skillfully pretends to be the latest technique, but in fact it is an ordinary enema. With all the consequences – in every sense of the word.

New details of blood clotting: a computer model of fibrinogen has been created

Cosmetics and genetics: what do they have in common?

Cosmetics that would be able to "intelligently" influence the genetic mechanisms of skin cells are still as far from real embodiment as gene therapy of diseases.

Weed out mutants

The organism of a higher animal is able to get rid of mutant mitochondria extremely effectively: they disappear after 2-6 generations. The selection of normal mitochondria occurs in female germ cells or at the subcellular level.

Do you want to lose weight? Never go on a diet!

Every fall, requests appear on Internet forums and women's websites to help you lose weight quickly for the New Year. And after that – by spring. Ladies get a lot of advice and really lose weight, and then return to the previous diet and get back their kilograms.

Competition on the program "Molecular and cellular biology"

Vegetarianism is not a lifestyle, but a mistake of nature

Vegetarians can be safely considered not only fanatics, but also lost sheep. Almost no one argues with them. It's a difficult business, I'll tell you. Isn't that why the vegetarian movement has turned around so famously, recruiting more and more recruits into its ranks?

IBM develops DNA-based chips

The search for ways to reduce the size of chips and increase the number of transistors placed on them led IBM scientists to a completely new way of creating processors using DNA molecules.

Where can we expect new epidemics?

The authors agree with the position of most epidemiologists that the most important thing is to stop the spread of the disease at an early stage, even when there is no specific method of its treatment.

Creating memories

A new line of genetically modified mice allowed scientists at the Scripps Research Institute to identify cellular contacts formed during the memorization process.

Human population genetics: the first of a new wave of research

New techniques that provide simultaneous analysis of hundreds of thousands of genetic markers provide results sufficient to draw conclusions about interactions between human populations and prehistoric human migrations with a much higher degree of reliability than was previously possible.

Eva's Daughters: genes, history and geography

"Y-chromosomal Adam" and "mitochondrial Eve" are not real people, but virtual points from which the branching of the molecular family tree of mankind begins.

Sons of Adam: Genes, history and geography

Now any of us can determine our ancestry to the progenitors of mankind. However, not biblical, but molecular-genetic – "mitochondrial Eve" and "Y-chromosomal Adam".

Where are the most mutants?

Several research groups are trying to determine which of the human races' genomes contain more mutations and how dangerous these mutations are for its representatives.

10 myths about entrepreneurship

Many of those who want to start their own business believe in a whole bunch of myths about business. The book "Illusions of Entrepreneurship: Myths that Entrepreneurs, Investors and politicians live by" destroys the most common of them.

AG Soregpis Business Ideas Contest

Minimum requirements of investors for the technical side of projects

Venture investors evaluate startups offered for investment on all these three components in order to get an impression of the startup's prospects and the ability of its team to achieve its stated goals.