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Evolutionary biologists looking into the evolutionary rates and patterns of Adelie penguins have recently determined that the animals appear to be evolving at a much faster pace than previously calculated. In the research, scientists looked at mitochondrial DNA samples collected from penguins currently living in rook... |
18 November 2009
05:52 GMT |
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Authorities in the United Kingdom will only be allowed to hold the DNA evidence related to persons found to be innocent of the crimes they were charged with, for a maximum period of six years, after which time they will have to destroy the material. The decision applies in England and Wales, the UK Home Office has an... |
11 November 2009
22:31 GMT |
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Scientists from a number of departments at the California Institute of Technology (Caltech) have recently announced the development of a new structure, which combines the “talent” that DNA has for self-assembly with the amazing chemical and physical properties of carbon nanotubes (CNT). The nanoscale elec... |
11 November 2009
09:21 GMT |
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In a recent poll, in which 10,000 people got the chance to have their say, the X-ray machine was voted as the most important innovation of the century. More than 50,000 votes were recorded in the Science Museum of London inquiry, which saw X-rays defeat things like penicillin and steam engine. All of the ten objects ... |
4 November 2009
06:23 GMT |
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Terahertz radiation occupies the wavelengths that connect microwaves to infrared and is currently considered to be one of the most promising areas of research out there. Over the past decade, more and more researchers have dedicated their work to this form of radiation, which has the amazing ability of penetrating th... |
30 October 2009
21:51 GMT |
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Experts at the Kansas State University (KSU) have recently announced that they managed to augment the electric properties of the carbon compound graphene, by adding gold nanoflakes to its surface. They argue that the addition of the so-called snowflake-shaped gold nanostars (SFGN) created a uniformly distributed &ldq... |
14 October 2009
03:43 GMT |
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Groundbreaking imaging techniques today reveal details of the small-scale world that were never before thought possible. They can image single atoms and structures just nanometers across, but they are notorious for not being able to look inside living molecules. The highly energetic streams of particles they use for ... |
12 October 2009
06:59 GMT |
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As most of you know, unfurling the genetic material enclosed in each of our cells would result in a six-foot-long strand of DNA. However, inside each cell, all this information remains stored within nuclei that are less than three micrometers in diameter, less than the width of a human hair. Finding out precisely how... |
9 October 2009
01:56 GMT |
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Through an innovative computer simulation, experts at the University of Wisconsin-Madison (UWM) have finally been able to provide a fairly clear and accurate description of some of the processes that take place between two individual strands of DNA, when they come together to form the double-helix structure we are al... |
7 October 2009
14:51 GMT |
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Since genetic sequencing was first achieved, experts working in this field have been trying to make the process faster, cheaper and more accurate. Picking up on this trend, engineers at IBM are currently working on a new type of microchips that would enable the creation of sensors capable of reading a DNA molecule�... |
6 October 2009
04:00 GMT |
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Working in a line of research that is among the most commendable of all, researchers Elizabeth Blackburn, Carol Greider and Jack Szostak, from the United States, managed to further humankind's knowledge of aging, cancer and stem cells. In their studies of the human chromosomes, the vessels that carry our genetic... |
5 October 2009
07:03 GMT |
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A group of five specialists from the Massachusetts Institute of Technology (MIT) has recently founded a start-up company, known as Ginkgo BioWorks, with the stated goal of making synthetic biology systems as easy to produce as bread. Its headquarters are located in Boston, and the team says that its first order of b... |
2 October 2009
02:38 GMT |
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Scientists in the United States have recently reported that the analysis of a bone fragment from a skull that is believed to have belonged to former Nazi Party ruler Adolf Hitler revealed that the remains actually belonged to a yet-unidentified woman. This is the same bone section that historians used to argue in the... |
30 September 2009
07:07 GMT |
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In many forms of cancer – one of the fastest-spreading diseases in the world today –, detecting the conditions as early on as possible is the only chance the patient has of ever getting better. In reality, only a small portion of the people suffering from the disease is not identified too late, and doctor... |
28 September 2009
15:51 GMT |
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The first known genetic regulatory protein, the lactose repressor protein, was discovered as far back as 1966, but it was only recently that the tools of biochemistry became sophisticated enough to allow for it to be investigated thoroughly. Behind the research were experts at the Rice University (RU), who discovered... |
23 September 2009
18:11 GMT |
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Experts from the US Department of Energy's (DOE) Pacific Northwest National Laboratory (PNNL) have recently developed a new series of structures, constructed entirely out of the relatively new carbon compound graphene and strands of DNA, which is the building block of all living things. The team, which worked cl... |
23 September 2009
10:19 GMT |
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Manipulating DNA strands individually and precisely is one of the most sought-after technologies in science today, simply because this would open up tremendous, new research possibilities in fields ranging from medicine to computing. In the latter, circuits made from nanomaterials combined with DNA could lead to amaz... |
16 September 2009
22:01 GMT |
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Ever since lasers first appeared, efforts have been oriented towards making them more efficient, smaller, larger, or more powerful. While some laser facilities boast instruments spanning hundreds of feet in size, some scientists are working on the micro- and nanoscale, to create devices with applications in handling ... |
31 August 2009
14:01 GMT |
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Particular DNA segments can be found in various amounts from one person to another, even if they are in the same line, as in family. These variations play an important part in our evolution. They can hold the key to boosts of the immune system and to developing resistance to certain diseases, but can also make it a l... |
31 August 2009
04:44 GMT |
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The field of human health research is heavily reliant on the usual monkeys and lab rats, but other animals are used for assessing disease development or drug efficiency as well. Among them are the small fruit fly and the zebra fish. The latter was cloned several times over the last years, but through complex and expe... |
31 August 2009
01:26 GMT |
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Each time a new child is born, they carry some of the genetic material from their mother and father, in equal proportions. In addition to this legacy, they also carry between 100 and 200 genetic mutations, which their parents do not have. Some of these mutations are caused by environmental factors, and represent ada... |
28 August 2009
08:48 GMT |
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Experts from the Institute of Bioengineering and Nanotechnology (IBN) in Singapore have recently developed an ultra-sensitive array of electronic sensors, which are efficient enough to identify strands of DNA with relative ease, and over shorter periods of time than existing technologies. The new, cost-effective meth... |
27 August 2009
22:01 GMT |
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In groundbreaking, new studies, genetics engineers have managed to create monkeys that have none of their parents' mutations, which are usually passed from one generation to the other via mitochondrial DNA. In their experiments, the research team, from the Oregon National Primate Research Center, in Beaverton, s... |
27 August 2009
06:19 GMT |
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In their quest for new technologies that can provide chip manufacturers with new ways to improve the performance and features of their next-generation products, scientists at IBM have recently announced that they are experimenting with using DNA molecules in an attempt to create tiny circuits that could be at the bas... |
17 August 2009
09:20 GMT |
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According to a new scientific paper published in the latest issue of the respected journal Nature Nanotechnology, it would appear that engineered DNA “origami” tends to self-organize, when placed on silicon substrates. The find could have major implications for the design of better circuits and more advan... |
17 August 2009
08:47 GMT |
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Experts at the University of Illinois, in the United States, have recently announced the development of a new technique to cleave single-stranded DNA, using newly discovered deoxyribozymes (catalytic DNA). According to the team, the instrument exhibits the sequence-selectivity and the site-selectivity required of a p... |
17 August 2009
05:39 GMT |
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The human genome carries within it all the necessary information for everything that goes on in the human body, for generating proteins, neurotransmitters, and all sorts of other chemicals. But it is constantly under attack from outside factors, such as UV radiation from sunlight and harmful additives in our daily fo... |
14 August 2009
18:41 GMT |
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In a recent scientific study, experts from the University of Liverpool managed to discover and monitor how mirror-image molecules interact and gain control over each other, dictating the physical state of superstructures in the process. The research was focused on “chiral,” or “different-handed&rdqu... |
14 August 2009
04:59 GMT |
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The regulations should specifically refer to DNA samples collected from healthy children, whose parents have signed them up for long-term studies, leading ethics experts say. The data should not be made public, and released in the scientific community until the children reach an age when they can give their consent f... |
14 August 2009
04:45 GMT |
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In an international collaborative effort by scientists at the Harvard University in the United States and the Technical University of Munich, in Germany, a new method of producing DNA nanostructures has been created. The field of DNA nanotechnology is very promising, and could in the future be used to create structur... |
11 August 2009
04:43 GMT |
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Scientists at the prestigious Swedish medical university the Karolinska Institutet have recently made an astounding find related the phenomenon of premature aging, which has thus far eluded plausible explanations. The experts managed to trace the origins of this condition to proteins that malfunction when they are sy... |
6 August 2009
10:30 GMT |
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Biologists have been attempting to create a catalog containing the most relevant genetic traits of all plant species for quite some time now, but the effort, which proved to be relatively simple in the case of animals, turns out to be rather complicated. Identifying the most unique traits in similar plant species is ... |
28 July 2009
06:09 GMT |
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An international group of researchers, investigating the connections between schizophrenia and DNA, identified the first clear tie, on chromosome 6. This is the same location that holds key genes for the immune function, which means that the disease must be influencing the expression of defense agents in the immune s... |
9 July 2009
16:01 GMT |
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Despite having a “unitary” sound to their names, carbon nanotubes (CNT) can actually be of varied compositions and structures, as determined by their electronic properties. However, when they are produced in bulk, many types of CNT are generated in the same space, and disentangling something that is a few... |
9 July 2009
05:45 GMT |
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In a new scientific study, researchers at the National Institute of Standards and Technology (NIST) have determined that oxidation inside the cell can lead to the onset and development of a large number of various tumors, linking the two phenomena together inseparably. In their experiments, the scientists used mouse ... |
2 July 2009
13:01 GMT |
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According to a recent batch of scientific studies, it may be that being part of a gang is not just caused by growing up in a certain type of neighborhood, but also by a genetic predisposition to this. Researchers identified the MAOA gene as being responsible for this state of affairs, with statistics showing that tho... |
22 June 2009
04:58 GMT |
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The latest issue of the Journal of Biogeography holds one of the most interesting hypotheses of this year – namely the theory that humans are not as much related to chimpanzees as previously stated, but rather to orangutans. The new paper, written by scientists at the University of Pittsburgh and the Buffalo Mu... |
18 June 2009
16:01 GMT |
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Finnish mobile network operator DNA announced recently that it planned to enhance the performance levels of its 3G network so as to be able to offer users a maximum speed of 21 Mbps. According to the company, it will be conducting technical testing over the summer, to prepare for the commercial launch, which should t... |
16 June 2009
06:19 GMT |
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Studies covering the effects of marijuana and cannabis on the human body number in the hundreds. Because the use of the recreational drug is so widespread among today's youths, in the developed and developing world alike, researchers have long since tried to find out if the benefits of using it outweigh the down... |
15 June 2009
06:33 GMT |
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In humans, gray hair is listed among life's certainties, alongside growing old. However, thus far researchers have had no idea as to what is causing it. The only known thing about the growth process was that two types of cells are required for the hair to develop and get colored, and that sometimes these cells f... |
13 June 2009
04:06 GMT |
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The most important evolutionary step in the history of life on Earth was not the emergence of the first life forms, but the time when the intermediary between lifeless chemicals and biological materials appeared. Self-assembling molecules made it possible for a process of trial and error to begin, which eventually re... |
12 June 2009
02:56 GMT |
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Biologists and bioengineers working in the field of making antibiotics-resistant infections a thing of the past have scored a major breakthrough recently, when they have managed to develop a synthetic DNA binding compound. The substance is able to combine with the DNA of pathogens such as bacteria and kills them with... |
9 June 2009
10:34 GMT |
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Harvard Medical School (HMS) experts announced in the Wednesday issue of the scientific journal Nature that they'd managed to create 3-dimensional constructs in the lab, using nothing but pieces of DNA for the job. Their structures have been made in intricate shapes, and rely solely on the acid's ability to... |
21 May 2009
02:53 GMT |
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Observing minute changes that occur within the very structure of DNA is one of the best ways of infering if a cancer-triggering mutation is about to happen, or of assessing the risk of a patient developing a condition such as Huntington's disease, or other types of genetic disorders. A new tool, developed by sci... |
19 May 2009
17:01 GMT |
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Manipulating DNA is an expression of many meanings, in that any sort of influence exerted on the strands can be considered to be a manipulation. One of the most appropriate processes to be termed with this concept is gel electrophoresis, which basically refers to moving DNA around through the use of an electric field... |
15 May 2009
09:04 GMT |
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Experts at the University of Manchester have made an important breakthrough in studying the origins and evolution of life, when they synthesized the basic elements of ribonucleic acid (RNA), the connecting link between pre-biotic molecules and the deoxyribonucleic acid (DNA). The find is very important because, until... |
14 May 2009
03:56 GMT |
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Learning how to propel and direct DNA molecules in their natural “environment” has been a long-term goal of geneticists, which they have been trying to reach ever since they started copying genetic information. The way they did that was through the use of an enzyme known as RNA polymerase, which, oddly en... |
17 April 2009
09:49 GMT |
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The world has been fascinated with the existence of little green (or gray) men ever since the idea of extraterrestrial life first caught the eyes and ears of the public. Fed by more or less real events, such as UFO sightings, abductions, and inexplicable phenomena such as crop circles, people's fantasies of alie... |
8 April 2009
07:01 GMT |
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Researchers at the Georgia Institute of Technology (GIT) have developed a novel technique of peering inside living cells, which allows them to visualize single molecules of ribonucleic acid (RNA), with much more ease than existing methods. With the use of the new instrument, experts could gain even more access into t... |
7 April 2009
15:01 GMT |
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Cornell University (CU) biological engineers may have just made one of the most incredible finds in the history of their field, when they have created a new method of obtaining proteins that are necessary for medicine and the industry without having to resort to living cells in the process. That is to say, they can g... |
2 April 2009
10:27 GMT |
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