Articles

Found results: 16339

Healthy skepticism

The first contender for the Houdini Prize

The Expert Council of the Harry Houdini Prize has developed regulations for conducting the first preliminary testing of paranormal abilities. The applicant is Bakhyt Kairgalievna Zhumatova, a finalist of the seventh season of The Battle of Psychics.

13.08.2015
Genetics

The silence of the X chromosomes

Disabling an extra chromosome in female cells depends on a complex molecular mechanism in which regulatory RNAs and the genes of the X chromosome itself work harmoniously.

13.08.2015
Genetics

How are inflammation and cancer related

"Chemical weapons", which the immune system uses to destroy infection and harmful molecules, at the same time causes carcinogenic mutations in DNA.

12.08.2015
Other life sciences

Xenotransplantologists ' record

An international group of researchers from China and America has set a record in the field of xenotransplantology: a pig kidney transplanted to a baboon worked for 136 days.

12.08.2015
Genetics

Genes with humor

According to the established practice, the name of the gene can be given any, except obscene, but a good tone requires that it reflects its function as much as possible. Which leads to the appearance, for example, of such genes as...

11.08.2015
Cellular technologies

Why do we need organoids?

In the popular science section of the journal Nature, a review article was recently published on the topic of so-called organoids – primitive miniature analogues of real organs grown in the laboratory in test tubes.

11.08.2015
Biomedicine

Bioinformatics – Medicine

Why obesity is "contagious", the microbiota is our everything and how important it is to study the genetic composition of the bacteria around us, St. Petersburg scientists have investigated.

11.08.2015
Other life sciences

Burns and injuries without scars and scars

Bioengineers led by specialists from the Johns Hopkins University Medical School (USA) have discovered a receptor that not only helps heal wounds, but also gives the skin an aesthetic appearance after healing.

10.08.2015
Biomedicine

Victory over Ebola

A clinical study conducted in Guinea showed that people who were given one dose of the vaccine receive one hundred percent protection from infection with Ebola when they come into contact with patients starting from the 10th day after injection.

09.08.2015
Your health

Autoimmune diseases (1)

When the immune system rebels against its own body and its cells cause an immune response instead of pathogens, this is called an autoimmune disease.

08.08.2015
Nanotechnology

Scientists presented a review of liposomes

Thousands of different publications are devoted to liposomes, they are actively studied in many laboratories around the world. A new article in Chemical Review contains a detailed list of the main achievements in this field.

07.08.2015
Prolonging youth

Diet for the brain

Nutritionists from Rush University Medical Center (USA) have developed a new MIND diet, which, as studies have shown, is able to support the cognitive functions of the brain in the elderly and slow down its aging by 7.5 years.

06.08.2015
Prolonging youth

Young blood for old people

Experiments on transfusion of "young blood" to old mice have yielded amazing results, and experiments are now being carried out on humans.

04.08.2015
Other life sciences

Free radicals and broken knees

The increased content of free radicals in the epidermis accelerates the healing of injuries in young animals, but with age this effect changes to the opposite: skin cells stop dividing, the stock of stem cells decreases, and the skin begins to age rapidly.

04.08.2015
Theories of aging

A new reason has been added to aging

With age, proteins in the cell begin to fold poorly due to changes in the redox potential at the assembly sites of protein molecules.

04.08.2015
Genetic engineering

Thieves are calculated using synthetic DNA

SelectaDNA products are sold in sets for different occasions – spray, gel and other modifications. The manufacturer calls the working substance synthetic DNA.

04.08.2015
Cellular technologies

Muscles grown in a Petri dish

A large group of bioengineers from France and the USA managed to grow real muscle tissue cells from human stem cells in the laboratory for the first time.

03.08.2015
Genetic engineering

The Era of genetically modified animals

Fish, mosquitoes, cows… Many genetic tests are already being carried out on animals to improve the efficiency of cattle breeding and create new medicines.

02.08.2015