TECH NEWS: IT, TECHNOLOGY

Thursday, 20 June 2013 00:39

Biotechnology

How scientists are using silicon for the production of hydrogen

Spherical silica nanoparticles with a diameter of about 10 nanometers. According to a new study by the University of Buffalo, the particles created in the lab, react with water and produce hydrogen.
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Ideal storage of information ... DNA!

Drives , flash drives , DNA ? Scientists have developed a way to encode audio and text files in DNA - the molecules that actually contain instructions for making living organisms. New method for the time being very expensive, but in the end it can be used to store digital files without power for thousands of years. And given the tiny size of the DNA in a single tube can store vast amounts of data, said study author Nick Goldman, a geneticist at the European Bioinformatics Institute, UK.

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Large animals can discover the secret of how to avoid cancer

If every living cell had an equal chance to become cancerous, whales and elephants would be more likely to develop cancer than people or mouse. But among the various types of the likelihood of cancer is not related to body weight . Under the new model, this paradox can be explained by the fact that the animals are looking for a compromise between reducing the risk of cancer and other priorities, such as the maximum increase in the number of descendants.

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French sperm concentration dropped by a third

The study concludes that the sperm count of the French men between 1989 and 2005 declined by a third. As reported in the journal Human Reproduction, the study analyzed the sperm over 26.600 French. It was found that the number of million sperm per milliliter decreased by 32.3%. In this case, the fall came with a rate of about 1.9% per year. The percentage of normally formed sperm decreased by 33.4%.

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What color are your cells? Answers to questions on the biology of children

In the interactive discussion, entitled "The Day of the cells," researchers from the National Institute of Health, USA to answer questions children of secondary school age of the cells and areas of biological research. Here are the most common questions and answers.
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