New publication

Science news on the topic "Biological Sciences"

О ХАДИ

Lake Vostok in Antarctica is a unique aquatic ecosystem that has been isolated from the surface of Earth's atmosphere and biosphere for millions of years. His study plays an important role in the study of climate change in the last millennium.

Longitudinal Study found that, in a time when Homo erectus appeared and produced the first tools, Olduvai Gorge (possible cradle of mankind) experienced abrupt climate changes.

The origin of life, the origin of multicellular grandmother as a means of survival, splicing as a tool of evolution and other theories and hypotheses of evolutionary theory, which attracted our attention in the past year.

United Kingdom, December 12. British paleontologists discovered the remains of crustacean that has preserved not only the shell but the soft tissue: a body, legs, eyes, gills and digestive system.

At the same time, active breeding has resulted in a large number of potentially harmful genetic variants. However, this does not mean that mankind has become more frail.

Researchers have tried to find out why some modern algae left in their chloroplasts nukleomorf - DNA endosymbiont, who last lived in algae cells and upon which so far were only two chloroplast genomes.

Fry and adult trout are different depending on whether the eggs from which they hatched Of those that ripen in the front or the back of the mother's ovary.

Along with a single-dromedary (Camelus dromedarius), Bactrian camels, Bactrians (Camelus bactrianus) are the best known representatives of the family of camelids (Camelidae).

U.S. scientists have discovered a new genus of ferns and identified within this genus of 19 species, some of which were named in honor of the pop singer Lady Gaga.

Protein synthesized by the cells during the famine, not only helps to lose weight, as it was already known, but also significantly extends life: experimental mice with high content of protein in the body lived in a third longer than normal.

Memory consolidation during sleep is due to the exchange of information between the three parts of the brain.

The award will be presented to the Englishman John Gerdonu and Japanese Shinyo Yamanaka, the possibility of converting adult cells into pluripotent, which give rise to almost all tissues and organs.

Open nerve cells, which in response to nicotine enhance the exchange of signals between the hippocampus and memory sub-centers, which leads to a better structuring and storing the information.

Open regulatory noncoding RNAs that exist in two forms, active and inactive, and the time, given to the active phase, takes them a couple of hundred microseconds.

Japanese scientists have managed to grow artificial stem cells not only artificial sperm and artificial egg.

Cubs looking nipple with milk, guided individual maternal odor, which they take up the time of birth, along with the smell of amniotic fluid.

In late September, Permafrost Institute opens new underground coldstore for plants.

It was believed that the present line of bony fishes - ray-finned - appeared about 150 million years ago. New research suggests that this has happened twice as much as before. Meanwhile, most of today's bony fish groups came m

Natural selection on growth, even in modern humans act in opposite directions: the greatest reproductive success awaits stunted women and tall men.

Grey Parrots are a treat, combining in mind the indirect signs indicating where there may be food. A similar ability one acquires only by age three.

Several years ago, experts at NASA have suggested that on Earth there are organisms that feed on toxic element arsenic. They believed that the rod-shaped bacteria GFAJ-1, living in an alkaline Mono Lake, which is located in California.

American breeders have managed to bring a new variety of tomato. The peculiarity of this variety is that it can mature in a few days, but at the same time, the fruits have no taste.

Increased activity of a DNA-methylases involved in the regulation of gene prevents age-related memory loss.

The restrictions imposed on the root system of any, even the most spacious pot, inevitably affect the growth of plants.

It was believed that "stereovision" kids get about four months after the date on which should have been born. In fact, they gain the ability of 3D-four months after it first saw the light - even if born prematurely.

Environmentalists have figured out how predators can influence the processes of decomposition of dead organic matter in the soil. Stress, who feels their victim, affecting the chemical composition of its body, which, in turn, affects the soil microflora.

Yeast helped scientists show that interpopulation mating leads to greater environmental adaptability of the species.

Among the winners of the ethereal butterfly of the enzymes of rat spinal cord and other delicacies.

Recently, during research in Madagascar, scientists were able to detect the smallest chameleon in the world.

At the bottom of the ocean found the slowest of bacteria

Yuka Mishima of Tokyo Oceanological Science and Technology University has created a prototype device that allows you to publish the full range of sounds available in this dolphin from whistles and poschelkivany to the ultrasound used for echolocation.

Ants-handers have a better understanding of each other

Биологи впервые смогут провести исследования "собачьих мыслей"

Cockroaches froze halfway to the true social insects: they live in groups where everyone knows each other and consult each other about the food and lodging, but there is no specialization and the "vertical of power" from the top of the uterus.

Zoologists have found ravens unusually long-term memory for the relations with his comrades.

Scientists have made the return of the blind mice

The complete lack of genetic diversity in the population

The reason for this condition is the effect of anesthesia on the biological clock

Found a gene that increases the IQ of a person

Scientists were able to establish that the social status affects the operation of the order of thousands of genes

The fungus-killer bats could come to America from Europe - scientists

Every degree of heat wave mortality increases by 5% - scientists

A surprising property of water will save the oceans from oil spills

The flora of the tundra "growing" because of climate change, say scientists

Irkutsk scientists are working on decoding the genome of the Baikal diatoms

People born on the nature of red, acutely feel any pain

Russian scientists have decoded the first time in the world of the ancient tree DNA

Based on the materials InterNovosti Alexander Smoliy American scientists have found a protein that triggers the process of hair loss in men.

According to the materials, "Rossiyskaya Gazeta" - www.rg.ru, Bitkina Svetlana, Vladimir 03/21/2012 Dmitry Medvedev held a meeting of the 29th Commission for Modernization and Technological Development of the Russian economy. It passed in the village Volginsky by Vladimir. They discussed the problem of improving the efficiency of research support for modernization and innovation development, reviewed the results of studies assessing the cost of the program of innovative development companies with state participation in 2010-2011. In addition, questions were raised to attract leading scientists in the Russian universities, high school experience of interaction and cooperation of business and educational institutions and organizations implementing complex projects for high-tech production.

Based on the materials Lenta.Ru Alexander Smoliy Wednesday, March 21, 2012