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Found results: 16240

Biomedicine

Not only to restore an erection

Type 2 diabetes is a known risk factor for cardiovascular diseases. But in diabetic men, Viagra reduces the risk of developing a heart attack and increases the chances of survival if a heart attack does happen.

23.11.2016
Other life sciences

Evolution of viruses and immunity

Biologist Evgeny Kunin – about the survival strategies of viruses, the dependence of the paths of evolution on DNA and the endless arms race of organisms.

23.11.2016
Biomedicine

Alzheimer's disease: early diagnosis by retina

In order to determine whether a person will develop Alzheimer's disease decades before the first symptoms appear, a simple retinal examination can be performed.

23.11.2016
New in Gerontology

Men are programmed to die before women

Despite a very strong increase in human life expectancy as a whole, the life expectancy of men still remains lower than that of women.

23.11.2016
Theories of aging

The ceiling of life

Closing the gap between average and maximum life expectancy is a more realistic task than the endless prolongation of old age.

23.11.2016
Cellular technologies

Scientists have grown innervated intestinal tissues

Scientists at the Cincinnati Children's Hospital Medical Center have grown intestinal tissues with functioning nerves and successfully implanted them in laboratory animals.

22.11.2016
Prolonging youth

Mitophagy – a cure for old age

Researchers from California have found a new way to eliminate cell damage that accumulates with age. It consists in removing mutated DNA from mitochondria.

22.11.2016
Nanotechnology

Engineers have created mobile nanofilms based on DNA

"Nanomyshtsy" work on the basis of specific hybridization of DNA molecules. You can control their movement by adding DNA chains to them, complementary to the DNA that is part of the film.

22.11.2016
Your health

Eat fiber so that bacteria don't eat you

The microorganisms that make up the gut microbiota feed on fiber. Without receiving it, they begin to eat the intestines themselves, making it vulnerable to infections.

22.11.2016
Grants and competitions

XI All-Russian Internet Olympiad

All-Russian Internet Olympiad of schoolchildren, students, postgraduates and young scientists in the field of nanosystems, nanomaterials and nanotechnology "Nanotechnology – a breakthrough into the Future"!

22.11.2016
Genetic engineering

Genetically modified crops

Researchers from the USA and Poland increased the yield of plants by 14-20%, increasing the production of three proteins that are involved in the process of photosynthesis.

21.11.2016
Biomedicine

Breakthrough in the fight against HIV

NIAID specialists claim to have discovered a universal antibody in the fight against HIV, which was called N6, capable of blocking 98% of all known strains of the virus.

21.11.2016
Other life sciences

New functions of the intestinal microflora

The food consumed strongly affects the intestinal microflora, which ultimately affects our body, for example, changing our weight. It turns out a vicious circle: man – microflora – man.

21.11.2016
Biomedicine

Long-lasting pill

Scientists have developed a new shell for medicines. It can persist in the stomach for two weeks after ingestion, gradually releasing the contents.

21.11.2016
Healthy skepticism

"We're selling you a dummy"

Manufacturers of homeopathic medicines will be obliged to provide evidence of their effectiveness and safety or indicate on the packaging that the drug has no scientific justification.

21.11.2016
Other life sciences

A patch with a universal acoustic sensor

The soft acoustic sensor can continuously collect several acoustic signals from the heart and other internal organs at once and recognizes human speech.

21.11.2016
Healthy skepticism

Creams with hormones: myths and truth

Creams and serums with hormones are one of the main "horror stories" of the cosmetic market: it is believed that they can cause tumors or increase the vegetation on a woman's body.

18.11.2016