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Found results: 16309

Genetic engineering

"Ribocomputer" in E. coli

Geneticists have created biocomputers from bacteria with a record-breaking complex logic circuit. The role of electrical signals in them is played by short RNA molecules.

28.07.2017
Other life sciences

DNA will protect against melanoma

Researchers from Binghamton University have shown that the absorption of ultraviolet radiation by DNA films can increase with repeated exposure.

28.07.2017
Your health

The water used to be wetter too…

Over the past two decades, the sperm concentration in Western men has decreased by more than 50%. This is not the case in South America, Asia and Africa.

28.07.2017
Controversial

Straight ahead

British scientists have criticized the truism: according to the authors of the article in the BMJ, a course of antibiotics in many cases can be drunk not to the end, but to relieve symptoms.

28.07.2017
Your health

When good bacteria become Bad

The "duplicity" of some gastrointestinal bacteria is due to the fact that during the disease they begin to behave not as symbionts, but as pathogens.

27.07.2017
Genetic engineering

Huntington's disease in vitro

Scientists of the institutes of the Siberian Branch of the Russian Academy of Sciences use gene editing methods to create a cellular model of Huntington's disease.

27.07.2017
Other life sciences

Fractured the skull?

Focusing on the results of computed tomography, doctors created a 3D model of the patient's skull and an implant that could replace the missing piece.

27.07.2017
Prolonging youth

Cell therapy extended the life of mice

Rodents, in whose brains biologists introduced new stem cells, aged noticeably slower and lived 19% longer than normal mice.

27.07.2017
Genetic engineering

Blue chrysanthemums

After many years of failures, Japanese scientists have managed to create a genetically modified variety of chrysanthemums with flowers of all shades of real blue.

27.07.2017
Your health

Paste for the brain

The Mediterranean diet is associated with an increased likelihood of maintaining mental clarity in old age and avoiding neurodegenerative diseases.

26.07.2017
Nanotechnology

Nanocurcuma against cancer

Ordinary turmeric can be used to create nanoparticles that cause mass death of cancer cells in the brain and other parts of the body, scientists say.

26.07.2017
Other life sciences

HIV: a new risk factor

Virologists have discovered several strains of bacteria in the microflora of male genitalia that increase the likelihood of infection with the immunodeficiency virus by 53-64%.

26.07.2017
Your health

Thyroid gland: functions and diseases

Endocrinologist Olga Smirnova – about how the thyroid gland works, what functions it performs and why it is impossible to consume too much iodine.

26.07.2017
Other life sciences

Programmable necroptosis

The results of a new study may change the current approach to the treatment of Alzheimer's disease, as scientists have discovered another factor in the death of brain cells.

26.07.2017
Cellular technologies

Antibodies from a test tube

British and American scientists have developed a method for the simple and rapid production of specific human antibodies in vitro – in the culture of B-lymphocytes.

26.07.2017
Healthy skepticism

5 myths it's a shame to believe in in 2017

There are several scientific myths that scientists and popularizers of science are tired of commenting on. We chose five that are frighteningly common.

26.07.2017
Other life sciences

Memory in an inaccessible archive

Alzheimer's disease does not completely destroy memories: activation of damaged neurons with a laser restored memory in mice with a model of the disease.

26.07.2017
Healthy skepticism

190 million pounds a year

Representatives of NHS England believe that it is better to save on ineffective and harmful "medicines", and with this money to buy really effective drugs.

25.07.2017