Life Sciences

Found results: 11545

New in Gerontology

You can't jump higher than the ceiling

The maximum life expectancy has already been reached and is 115 years. The absolute limit is 125 years: the probability of finding a person who has lived to 125 is less than 1 in 10,000.

06.10.2016
Nanotechnology

Cantilever for infectious diseases

Researchers from the University of Alberta have invented a device that can quickly identify harmful bacteria and determine how resistant they are to antibiotics.

05.10.2016
Genetics

Are you sweeter or fatter?

Some people do not like sweets and prefer fatty foods due to a mutation in the MC4R gene. Mutations in this gene are often found in people suffering from obesity.

05.10.2016
Biomedicine

What to do with the Zika virus?

The phenomenon of the Zika virus can be used in epidemiology textbooks as a vivid example of an underestimated threat. There is only one question on the agenda – what to do?

05.10.2016
New in Gerontology

Take care of the children

The stress suffered in childhood leads to accelerated telomere reduction. As a result, the cells age faster, and the person dies earlier than it could happen in other conditions.

04.10.2016
Other life sciences

Microflora and breast cancer

Microbes living in the breast, even in small quantities, in some cases can increase or, conversely, reduce the risk of breast cancer.

04.10.2016
Other life sciences

How the tumor hides from the immune system

Experts from the University of British Columbia have discovered a new mechanism that prevents the recognition of carcinoma cells by the immune system.

04.10.2016
Other life sciences

Neurotransmitters, part 2

In the second part of the story, we will talk about mediators who perform important invisible work: stimulate and inhibit other neurotransmitters, help us learn and remember.

04.10.2016
Other life sciences

"Nobel Prize" in medicine – 2016: details

Autophagy, for the study of which the prize was awarded this year, is a set of processes that allow a cell to get rid of accumulations of intracellular "garbage" with the help of lysosomes.

04.10.2016
Biomedicine

Two polyvalent influenza vaccines

The first one was created for the USA and is effective against 95% of influenza virus strains common in this country. The second protects against 88% of the world's existing strains.

03.10.2016
Genetics

Genes for immunity are not the main thing

Generalization of all data on factors affecting immunity showed that genetics determines only 20-40% of individual differences in the immune system.

30.09.2016
Other life sciences

Superelastic bones

A flexible polymer from which bone blanks can be printed does not cause an immune response, fills with cells on its own and ossifies naturally.

30.09.2016
New in Gerontology

DNA methylation and the likelihood of death

A team of scientists from 7 countries has demonstrated that DNA methylation can not only determine a person's biological age, but also predict his life expectancy.

29.09.2016
Genetic engineering

Genetically modified plants: expert opinion

Why people are afraid of GMOs, how the GMO ban will affect science, how China is fighting GMOs and multinational companies, and how GMOs interact with nature.

29.09.2016
Biomedicine

Rhinovirus vaccine

Scientists have tested such a vaccine on cell cultures and found out that it provokes the development of an immune response and the formation of antiviral antibodies.

29.09.2016
Nanotechnology

A useful side effect

Scientists accidentally discovered that iron nanoparticles, which were created as a cure for anemia, cause macrophages to attack cancer cells.

28.09.2016