The Furious Charge

    Photograph: Example by Jason HolleyQ) Which brute makes the shortest migration? Ned Balbo, Baltimore, Maryland A) Migration can imply many things, and one scientist's definition mightiness not dig with another's. Roughly would song day-after-day movements to and fro a configuration of migration; by this touchstone, the short-distance champion power be Convoluta roscoffensis, a species of nautical platyhelminth that lives betwixt grains of beach backbone. These creatures transmigrate to the aerofoil at low surge and tunnel rachis fine-tune at highwater—a round-trip Read more [...]
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Mr. Armani, Adjoin the Tycoon of Beers

External cartridge, February 1996Mr. Armani, Adjoin the Magnate of BeersBy Todd Balf and Paul Kvinta (with Debra Shoring)This month, Lavatory Tesh volition beat for an ad dissipated a tie spattered with Budweiser; in April, Clams Ray Leonard leave do the like in silk shorts splattered with bubbly. Are we witnessing a reappearance to reputability for the boggy inebriate? "The beer is upright beautiful," insists molecular biologist-cum-artist Michael Read more [...]
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New 3D-printer can print drugs using synthetic DNA molecules

This allows you to quickly and accurately design the structure of any drug and still be completely sure that every atom is in a special place of manufactured moleculesSynthesis of new drugs, even conducted in laboratories with the latest equipment, employment is very time consuming and leads often to the results are strikingly different from required. To solve this problem, created a new system Parabon Essemblix Drug Development Platform, which is a combination of specialized software-aided design (CAD) inS? Quio production technology at the nanoscale. This combination enables the production Read more [...]
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Is there a quantum sense of smell?

A man can distinguish molecules, similar in shape but different in the quantum characteristics, but can this be considered a proof that our sense of smell relies on quantum effects?Not long ago we reported on the fact that the magnetic compass in birds can work with quantum effects. However, this is not the only case where the biological systems are suspected of active use of quantum mechanics. Scientists at the Biomedical Research Center. Alexander Fleming (Greece) published in a web journal PLoS ONE article, which suggests that the ability to distinguish one from the other smells also based Read more [...]
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Out-of-door On-line Archives

Extraneous clip, December 2000Page: 1Frances JetterI've heard that wear wet cotton makes you recede trunk hotness quicker than erosion naught at all. So if I'm caught in a freeze waterspout spell exhausting upright cotton, am I meliorate off dollar bare?—William McNeill, Norwood, MassachusettsI outcry cotton 'thermal-dynamic nudeness,'" says William Forgey, chair of the Wild Aesculapian Guild and generator of Canonical Essentials Read more [...]
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On basic principles of the device cell

19/12/2012 Researchers have shown that in the cell there is a lot less "strange" RNA molecules than previously thought. In previous experiments, the scientists found a variety of RNA that are not involved in protein synthesis and cellular regulation. The new work shows that these RNAs were artifacts of the experiment. RNA molecules are thought to perform in the cage has two main functions: they are involved in the synthesis of proteins, and are involved in cellular regulation (in addition, they are part of some enzyme complexes with proteins). All of the RNA synthesized in the cell Read more [...]
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Scientists got a snapshot of DNA

12/11/2012 Scientists from the Italian Institute of Technology managed to photograph DNA using an electron microscope.Enzo Di Fabrizio and his colleagues developed a unique method of application of the sample. The scientists used a silicon substrate. The fact that nanoscale silicon pillars have water repellent, so when applied to them with a solution of DNA moisture evaporates very quickly, and only the elongated molecules, ready to shoot. In addition, researchers have made a number of holes in the substrate through which the electron beams are missed. So they were able to improve the image Read more [...]
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First get a picture of the DNA

In 1953, James Watson and Francis Crick determined the structure of DNA is a double helix. Scientists have determined this by using X-ray diffraction data obtained by Maurice Wilkins and Rosalind Franklin. This method of analysis is based on the diffraction of X-rays on the three-dimensional crystal lattice, the nodes which in this case were located DNA. The diffraction pattern is recorded on a photographic plate. In the case of DNA, the output image is a complex combination of points, the position of which is determined by the arrangement of atoms in a molecule. "Explanation" of such Read more [...]
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NASA scientist said about the incredible find on Mars: found organic molecules

Curiosity rover found on Mars simple organic molecules, announced a representative NASA, whose colleagues had previously promised to tell what was done on Mars "Incredible find of historic proportions". Details are specialists intend to provide public Minimum 3 December - it was then in San Francisco will meet the American Geographical Union.We are talking about organic and non-biological molecules, which would indicate the presence of life, said to announce the opening of a conference as the University of Rome Sapienza, Charles Elachi, the head of the Jet Propulsion Laboratory, Read more [...]
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Scientists have developed the first DNA molecule in the oceans

A hypothesis to explain how the very first DNA molecule can replicate in the oceans. Until now it was thought that this was impossible, because the huge volume of water bound DNA will be diluted. According to modern concepts, the first molecule, which subsequently gave rise to living organisms, are DNA or RNA. These molecules have the ability to copy (future reproduction) and gradual changes (mutation process). One of the cornerstones of hypotheses to explain the very early stages of the evolution of these molecules, is an explanation of how and where they could have been synthesized and Read more [...]
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Salt

Salt - a class of chemical compounds whose molecules are composed of a metal cation (or group of atoms with the function of metal, such as NH +4) and acid balance (anion). The salts are products of substitution of hydrogen atoms in the acid molecules with metal atoms or hydroxyl groups in the molecules of bases acid residues. Distinguish: average (Normal) salts formed with the full replacement of the hydrogen atoms of acid on the metal atoms or hydroxyl groups on the base of the anions (eg, Na2CO3 - sodium carbonate, ZnCl2 - zinc chloride), sour salt - products of incomplete substitution of hydrogen Read more [...]
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Permeability

Permeability - The ability of tissues, cells and subcellular structures (cell nucleus, etc.) to pass gas, water and various substances. Penetration of substances across biological membranes occurs passively or by active transport with special arrangements. Membrane permeability for different agents depends on the physicochemical properties of the latter, and on the limitations of the membranes. Violations of the permeability may result from the operation of various damaging factors: high and low temperature, radiation, certain substances (eg, toxins), lack of oxygen, vitamins, hormones, etc. Read more [...]
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First Line of Defense

Another category of cells of the primary defense against tumors are macrophages. These cells, open Ts Mechnikov back in 1882, along with polimorfonoyadernymi leukocytes and blood monocytes into the system of phagocytic cells. In reactions against tumors particularly important role is played by tissue macrophages, which are widespread in different organs: the liver, spleen, lymph nodes, bone marrow, lungs, intestines, skin, nervous tissue. When administered intravenously to animals small particles (diameter less than 5 mm) inhibited the activity of macrophages (in lymphocytes, these particles Read more [...]
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Electrolytes

Electrolytes - substances, solutions or melts which conduct electricity. To electrolytes are acids, bases and salts. Substances not conducting electrical current in solution or molten state, is called non-electrolytes. These include many organic substances, such as sugars, alcohols, etc. The ability of electrolyte solutions conduct electricity attributed to the fact that the molecules of electrolytes when dissolved split into electrically positively and negatively charged particles - ions. The charge of the ion is numerically equal to the valence of an atom or group of atoms forming the ion. Read more [...]
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Structure and function of the liver 7

The center is located hepatocyte cell nucleus, separated from her body (cytoplasm) of the porous double membrane. The nucleus contains the nuclear (nucleic acid) - DNA (deoxyribonucleic acid), long molecules that are densely packed in a compact dark stained chromatin threads from which are formed during cell division chromosomes, and RNA (ribonucleic acid), concentrated in a dense round bodies within the nucleus - nucleolus. Some hepatocytes contain multiple nucleoli. Genes - sections of DNA encoded all the genetic information of the metabolism and cell function. This information is transferred Read more [...]
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Intellectual futility

Low culture of the media leads to the fact that today crooks who created the image of "professional" can vparit this "highly educated" crowd anything - "to put on" her in any desired subject. I even lost, what an example to give to make it shorter. You may have heard about the problem of "ozone holes" because of which "may be killed all life on Earth"? Voiced the problem this way: in the Earth's atmosphere is a layer of ozone that protects the Earth from ultraviolet radiation from the sun, but because of Freon gas used in refrigeration units Read more [...]
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