Life Sciences

Found results: 11545

Genetics

Environment and heredity – ending

We continue to talk about the extent to which a person's individual qualities – his character traits, inclinations, diseases - are biologically predetermined from birth.

06.07.2015
Genetics

Environment and heredity – the beginning

Congenital or acquired? To what extent is innate, and to what extent is acquired? Disputes of this kind are conducted about almost any property of the human body, and, especially zealously, about deviations from the norm.

06.07.2015
Other life sciences

Repair of "hidden" breaks in the DNA chain

The opportunity to defeat or even prevent a number of diseases, including Alzheimer's disease, was found by Russian scientists and their foreign colleagues who discovered a new mechanism for repairing DNA.

06.07.2015
Genetics

Blockade genes: details

Interview with one of the authors of the article in Science "Did good genes help people outlast brutal Leningrad siege?" ("Good genes helped people survive the brutal siege of Leningrad")?

06.07.2015
Biomedicine

Phagmids are better than bacteriophages

Bacteriophages kill microbes by cell lysis, which leads to the release of bacteriotoxins, and phagmids – synthetic plasmids encoding proteins toxic to bacteria, leave their cytoplasmic membrane intact.

03.07.2015
Nanotechnology

Two stripes in one smartphone

Engineers from Germany have modified the camera and flash of a smartphone so that they have turned into a multifunctional sensor that will allow women to conduct pregnancy tests, and diabetics to monitor blood sugar levels.

02.07.2015
Bioethics

The Path of Mercy

This year, the Path of Mercy award was awarded to the staff of the Vatican Pediatric Clinic of the Infant Jesus, as well as its curator, His Holiness Father Francis.

02.07.2015
Other life sciences

From politics to evidence-based medicine

In the debate between Anatoly Chubais and Alexei Navalny, a dispute arose again about the effectiveness of kagocel, one of the most popular Russian medicines for flu and colds.

02.07.2015
Nanotechnology

Thrombotic nanoparticles

The new ultra-soft gel particles move directly into the thrombosis zone and ensure the formation of a full-fledged thrombus.

02.07.2015
Genetic engineering

The experiment is beautiful, but…

Genetic modification of heart cells makes it possible to turn them into rhythm driver cells that are triggered by light.

01.07.2015
Nanotechnology

Hybrid engine for nanoparticles

Scientists from the University of California at San Diego have created hybrid nanoparticles, the movement of which can be controlled using both ultrasound and a magnetic field.

01.07.2015
Nanotechnology

The Microbe Hunter

The developers of the biosensor plan to bring its sensitivity to such a level that it will be able to detect single bacteria in a sample of material weighing 25 grams within two to three minutes.

01.07.2015
Nanotechnology

Nanotechnology in medicine: Part 2

In the second part of the review, we will talk about overcoming the blood-brain barrier, metal nanoparticles and the problem of toxicity.

01.07.2015
Genetics

The Daylight Saving Time gene

Japanese biologists have found a special gene and a system of nerve cells that help our body "sense" the onset of summer by how the length of the day changes, and switch to a more active lifestyle.

30.06.2015
Genetic engineering

Super-meat breed of pigs

Chinese geneticists brought it out with one precise intervention, directly "knocking out" the myostatin gene. What would have required at least decades of work with conventional breeding was done in months.

30.06.2015
Cellular technologies

A new step to victory over a heart attack

In the hearts of adult mice, it was possible to find cells due to which the myocardium can recover from damage. I would like to hope that the same cells can be found in the human heart.

30.06.2015