Articles

Found results: 16309

Genetics

A small mutation of one gene has huge consequences for the whole person

The replacement of just one nucleotide base in the regulatory part of the gene encoding the muscarinic receptor M2, sensitive to the mediator of the nervous system acetylcholine, affects the number of such receptors and, by changing the tone of the parasympathetic nervous system, affects intelligence, social status, health and life expectancy.

24.02.2009
Other life sciences

The place of biology in the hierarchy of sciences

Biology – the science of life and living objects – traditionally belongs to the complex of natural sciences and is usually considered along with the main ones – physics and chemistry. But even with the most superficial comparison, some features of biology attract attention, distinguishing it from a number of natural science disciplines.

24.02.2009
Note to the businessman

Anatoly Chubais' interview with Die Welt newspaper

DIE WELT: RUSNANO Corporation should raise Russia to the world top of nanotechnology. How much of your 130 billion start-up capital evaporated during the financial crisis? CHUBAIS: We were even able to increase our capital and now we have 136 billion rubles. We have correctly placed money in deposits in large private and state-owned banks in Russia…

24.02.2009
Cellular technologies

Stem cells from endometrium and menstrual blood: a Russian priority

Despite the fact that there was information in the media that researchers from Japan and the USA first proposed to obtain stem cells from the endometrium of the uterus and menstrual blood, in fact, Russian specialists were the "pioneers" in this matter.

20.02.2009
Prolonging youth

Cancel aging: how and why

Aubrey De Grey: from what we know about aging today, we can identify seven key points and try to influence these "weak links". This is my "Strategy for Achieving Negligible Aging by Engineering Methods" (SENS). The goal is to create a technology accessible to every person, with the help of which it is possible to restore the body to any degree of rejuvenation and maintain it in this state for any time.

20.02.2009
Grants and competitions

Travel grants for young people: from Siberia with love

The Mikhail Prokhorov Foundation announces a competition to finance travel grants for students, postgraduates and young teachers living and studying in the Ural, Siberian and Far Eastern Federal Districts.

20.02.2009
Your health

Do not refuse vaccination!

Supporters of the refusal of vaccinations believe that doctors and medical staff of public hospitals are in collusion with vaccine manufacturers and hide from people the alleged danger of vaccination. Paul Offit and other experts, in turn, are convinced: in the modern world, people too rarely witness the death of children from diseases, so they cannot assess the level of need for vaccination.

19.02.2009
Theories of aging

Free radical theory of aging: new data against

Over the past forty years, the free radical theory of aging has dominated official science, explaining age-related changes by the action of reactive oxygen species on cellular structures. However, experimental data are gradually beginning to appear, proving the absence of a link between oxidative stress and aging.

19.02.2009
Biotechnologies - into life

One Thousand and one nanotechnology

RUSNANO presented the statistics of the examination of applications received by the corporation for 2008. At the initial stage of evaluation, 125 investment projects were accepted for consideration, 40 of them successfully passed the examination and 50 were rejected. The most applications were submitted in the field of materials science – 44, physics – 26 in second place, biology and medicine – 22 projects closed the top three.

19.02.2009
Cellular technologies

Stem cells were inherited in tumors

Scientists have described a case of tumor development in the spinal cord and brain of a boy after fetal cell transplantation. It is not known whether the appearance of the tumor was caused by stem cell transplantation or whether the cells migrated to the emerging tumor, but the number of wary public will clearly increase, and opponents of stem cells will undoubtedly raise this case to the banners.

19.02.2009
Nanotechnology

Nanotechnology will be sent to fight cancer

When the drug changes its shape and properties, the dose is reduced tenfold, side effects are sharply reduced, at the same time, the clinical therapeutic effect is preserved for this type of drug and for this type of tumor. The tumor is treated as effectively as with conventional drugs today.

19.02.2009
Your health

Men's health in questions and answers

Your questions on the topic "Men's health" will be answered by the chief physician of the R.M. Fronstein Urology Clinic, Professor M.E.Chaly.

19.02.2009
Nanotechnology

Nanotechnology: answers to questions

The dean of the Faculty of Materials Sciences, Head of the Department of Inorganic Chemistry of the Chemical Faculty of Moscow State University, one of the organizers of the Nanotechnology Society of Russia, academician Yu.D.Tretyakov answered the questions of readers of <url>.

18.02.2009
Controversial

Naked diggers against the oxidative theory of aging

The elixir of life is worth looking for in cramped, dark tunnels dug by naked diggers – rodents no bigger than a mouse, living up to 26 years old. Their unique metabolism contradicts the oxidative theory of aging, and proteins practically do not change throughout life, passing without light.

18.02.2009
Healthy skepticism

Scientists have rediscovered America

A sensation! Scientists have proved that images of ladies in bikinis encourage a man to look at a woman as an object of sexual harassment! And we have made a number of equally revolutionary discoveries at the expense of taxpayers.

17.02.2009
Your health

Will life get more expensive?

According to the Ministry of Finance, in case of revision of approaches to the definition of insurance amounts in the legislation for damage caused to human life, it would be possible to introduce limits of 2-3 million rubles. Is it a lot or a little? After all, in the West, in such cases, you can get much more.

17.02.2009
Healthy skepticism

Ignorance as a commodity

The picture of the universe for the viewer of Russian TV is completely confusing. Everything has either turned upside down, or from head to foot. In any case, such a flip cannot go in vain for the vestibular apparatus of a person of the XXI century.

17.02.2009
Other life sciences

A DNA sketch?

This revolutionary method has already been tested and recognized as effective. Thanks to the new technology, it was possible to make a sketch of serial killer Derek Todd Lee based on DNA analysis, who was eventually identified and captured.

17.02.2009
Note to the businessman

The crisis will not hurt the pharmaceutical business

Summing up the results of 2008 and giving forecasts for the current year, experts from leading Russian and international companies practically coincided in assessing the impact of the crisis on the pharmaceutical market: it is not necessary to overestimate the crisis, the impact of which has already ended in general. Already in this September – December, market growth is possible.

17.02.2009
Nanotechnology

Titanium endoprostheses: made in Russia

Scientists from the N.F.Gamalei State Research Institute of Epidemiology and Microbiology invent a fundamentally new implant. It uses both titanium, specially manufactured at an aviation plant, and stem cell growth factors.

16.02.2009