Sunday, June 24, 2012

ScienceDaily: Biochemistry News

ScienceDaily: Biochemistry Newshttp://www.sciencedaily.com/news/matter_energy/biochemistry/ Read the latest research in biochemistry -- protein structure and function, RNA and DNA, enzymes and biosynthesis and more biochemistry news.en-usSun, 24 Jun 2012 03:08:27 EDTSun, 24 Jun 2012 03:08:27 EDT60ScienceDaily: Biochemistry Newshttp://www.sciencedaily.com/images/logosmall.gifhttp://www.sciencedaily.com/news/matter_energy/biochemistry/ For more science articles, visit ScienceDaily.New technique allows simulation of noncrystalline materialshttp://www.sciencedaily.com/releases/2012/06/120623094310.htm Scientists have found a new mathematical approach to simulating the electronic behavior of noncrystalline materials, which may eventually play an important part in new devices including solar cells, organic LED lights and printable, flexible electronic circuits.Sat, 23 Jun 2012 09:43:43 EDThttp://www.sciencedaily.com/releases/2012/06/120623094310.htmOxygen 'sensor' may shut down DNA transcriptionhttp://www.sciencedaily.com/releases/2012/06/120619092935.htm A key component found in an ancient anaerobic microorganism may serve as a sensor to detect potentially fatal oxygen, researchers have found. This helps researchers learn more about the function of these components, called iron-sulfur clusters, which occur in different parts of cells in all living creatures.Tue, 19 Jun 2012 09:29:29 EDThttp://www.sciencedaily.com/releases/2012/06/120619092935.htmChemists use nanopores to detect DNA damagehttp://www.sciencedaily.com/releases/2012/06/120618153427.htm Scientists are racing to sequence DNA faster and cheaper than ever by passing strands of the genetic material through molecule-sized pores. Now, scientists have adapted this ?nanopore? method to find DNA damage that can lead to mutations and disease.Mon, 18 Jun 2012 15:34:34 EDThttp://www.sciencedaily.com/releases/2012/06/120618153427.htmCarbon is key for getting algae to pump out more oilhttp://www.sciencedaily.com/releases/2012/06/120618111830.htm Overturning two long-held misconceptions about oil production in algae, scientists show that ramping up the microbes' overall metabolism by feeding them more carbon increases oil production as the organisms continue to grow. The findings may point to new ways to turn photosynthetic green algae into tiny "green factories" for producing raw materials for alternative fuels.Mon, 18 Jun 2012 11:18:18 EDThttp://www.sciencedaily.com/releases/2012/06/120618111830.htmIonic liquid improves speed and efficiency of hydrogen-producing catalysthttp://www.sciencedaily.com/releases/2012/06/120616145535.htm The design of a nature-inspired material that can make energy-storing hydrogen gas has gone holistic. Usually, tweaking the design of this particular catalyst -- a work in progress for cheaper, better fuel cells -- results in either faster or more energy efficient production but not both. Now, researchers have found a condition that creates hydrogen faster without a loss in efficiency.Sat, 16 Jun 2012 14:55:55 EDThttp://www.sciencedaily.com/releases/2012/06/120616145535.htmNanoparticles hold promise to improve blood cancer treatmenthttp://www.sciencedaily.com/releases/2012/06/120615204741.htm Researchers have engineered nanoparticles that show great promise for the treatment of multiple myeloma (MM), an incurable cancer of the plasma cells in bone marrow.Fri, 15 Jun 2012 20:47:47 EDThttp://www.sciencedaily.com/releases/2012/06/120615204741.htmImproving high-tech medical scannershttp://www.sciencedaily.com/releases/2012/06/120613153331.htm A powerful color-based imaging technique is making the jump from remote sensing to the operating room. Scientists are working to ensure it performs as well when spotting cancer cells in the body as it does with oil spills in the ocean.Wed, 13 Jun 2012 15:33:33 EDThttp://www.sciencedaily.com/releases/2012/06/120613153331.htmScientists synthesize first genetically evolved semiconductor materialhttp://www.sciencedaily.com/releases/2012/06/120613133341.htm In the not-too-distant future, scientists may be able to use DNA to grow their own specialized materials, thanks to the concept of directed evolution. Scientists have, for the first time, used genetic engineering and molecular evolution to develop the enzymatic synthesis of a semiconductor.Wed, 13 Jun 2012 13:33:33 EDThttp://www.sciencedaily.com/releases/2012/06/120613133341.htmNew energy source for future medical implants: Sugarhttp://www.sciencedaily.com/releases/2012/06/120613133150.htm An implantable fuel cell could power neural prosthetics that help patients regain control of limbs. Engineers have developed a fuel cell that runs on the same sugar that powers human cells: glucose. This glucose fuel cell could be used to drive highly efficient brain implants of the future, which could help paralyzed patients move their arms and legs again.Wed, 13 Jun 2012 13:31:31 EDThttp://www.sciencedaily.com/releases/2012/06/120613133150.htmLittle mighty creature of the ocean inspires strong new material for medical implants and armourhttp://www.sciencedaily.com/releases/2012/06/120613102130.htm A scientist may be onto an ocean of discovery because of his research into a little sea creature called the mantis shrimp. The research is likely to lead to making ceramics -- today's preferred material for medical implants and military body armour -- many times stronger. The mantis shrimp's can shatter aquarium glass and crab shells alike.Wed, 13 Jun 2012 10:21:21 EDThttp://www.sciencedaily.com/releases/2012/06/120613102130.htmProtein residues kiss, don't tell: Genomes reveal contacts, scientists refine methods for protein-folding predictionhttp://www.sciencedaily.com/releases/2012/06/120612145139.htm Researchers have created a computational tool to help predict how proteins fold by finding amino acid pairs that are distant in sequence but change together. Protein interactions offer clues to the treatment of disease, including cancer.Tue, 12 Jun 2012 14:51:51 EDThttp://www.sciencedaily.com/releases/2012/06/120612145139.htmPotential carbon capture role for new CO2-absorbing materialhttp://www.sciencedaily.com/releases/2012/06/120612101458.htm A novel porous material that has unique carbon dioxide retention properties has just been developed.Tue, 12 Jun 2012 10:14:14 EDThttp://www.sciencedaily.com/releases/2012/06/120612101458.htmWorkings behind promising inexpensive catalyst revealedhttp://www.sciencedaily.com/releases/2012/06/120611193636.htm A newly developed carbon nanotube material could help lower the cost of fuel cells, catalytic converters and similar energy-related technologies by delivering a substitute for expensive platinum catalysts.Mon, 11 Jun 2012 19:36:36 EDThttp://www.sciencedaily.com/releases/2012/06/120611193636.htmNanoparticles in polluted air, smoke & nanotechnology products have serious impact on healthhttp://www.sciencedaily.com/releases/2012/06/120611105311.htm New groundbreaking research has found that exposure to nanoparticles can have a serious impact on health, linking it to rheumatoid arthritis and the development of other serious autoimmune diseases. The findings have health and safety implications for the manufacture, use and ultimate disposal of nanotechnology products and materials. They also identified new cellular targets for the development of potential drug therapies in combating the development of autoimmune diseases.Mon, 11 Jun 2012 10:53:53 EDThttp://www.sciencedaily.com/releases/2012/06/120611105311.htmA SMART(er) way to track influenzahttp://www.sciencedaily.com/releases/2012/06/120611092345.htm Researchers have created a reliable and fast flu-detection test that can be carried in a first-aid kit. The novel prototype device isolates influenza RNA using a combination of magnetics and microfluidics, then amplifies and detects probes bound to the RNA. The technology could lead to real-time tracking of influenza.Mon, 11 Jun 2012 09:23:23 EDThttp://www.sciencedaily.com/releases/2012/06/120611092345.htmResearchers watch tiny living machines self-assemblehttp://www.sciencedaily.com/releases/2012/06/120610151304.htm Enabling bioengineers to design new molecular machines for nanotechnology applications is one of the possible outcomes of a new study. Scientists have developed a new approach to visualize how proteins assemble, which may also significantly aid our understanding of diseases such as Alzheimer's and Parkinson's, which are caused by errors in assembly.Sun, 10 Jun 2012 15:13:13 EDThttp://www.sciencedaily.com/releases/2012/06/120610151304.htmPhotosynthesis: A new way of looking at photosystem IIhttp://www.sciencedaily.com/releases/2012/06/120606155808.htm Using ultrafast, intensely bright pulses of X-rays scientists have obtained the first ever images at room temperature of photosystem II, a protein complex critical for photosynthesis and future artificial photosynthetic systems.Wed, 06 Jun 2012 15:58:58 EDThttp://www.sciencedaily.com/releases/2012/06/120606155808.htm1 million billion billion billion billion billion billion: Number of undiscovered drugshttp://www.sciencedaily.com/releases/2012/06/120606132316.htm A new voyage into "chemical space" ? occupied not by stars and planets but substances that could become useful in everyday life ? has concluded that scientists have synthesized barely one tenth of one percent of potential medicines. The report estimates that the actual number of these so-called "small molecules" could be one novemdecillion (that's one with 60 zeroes), more than some estimates of the number of stars in the universe.Wed, 06 Jun 2012 13:23:23 EDThttp://www.sciencedaily.com/releases/2012/06/120606132316.htmHalogen bonding helps design new drugshttp://www.sciencedaily.com/releases/2012/06/120605121639.htm Halogens particularly chlorine, bromine, and iodine ? have a unique quality which allows them to positively influence the interaction between molecules. This ?halogen bonding? has been employed in the area of materials science for some time, but is only now finding applications in the life sciences.Tue, 05 Jun 2012 12:16:16 EDThttp://www.sciencedaily.com/releases/2012/06/120605121639.htmFaster, more sensitive photodetector created by tricking graphenehttp://www.sciencedaily.com/releases/2012/06/120605102842.htm Researchers have developed a highly sensitive detector of infrared light that can be used in applications ranging from detection of chemical and biochemical weapons from a distance and better airport body scanners to chemical analysis in the laboratory and studying the structure of the universe through new telescopes.Tue, 05 Jun 2012 10:28:28 EDThttp://www.sciencedaily.com/releases/2012/06/120605102842.htmFilming life in the fast lanehttp://www.sciencedaily.com/releases/2012/06/120604092858.htm A new microscope enabled scientists to film a fruit fly embryo, in 3D, from when it was about two-and-a-half hours old until it walked away from the microscope as a larva.Mon, 04 Jun 2012 09:28:28 EDThttp://www.sciencedaily.com/releases/2012/06/120604092858.htmExpanding the genetic alphabet may be easier than previously thoughthttp://www.sciencedaily.com/releases/2012/06/120603191722.htm A new study suggests that the replication process for DNA -- the genetic instructions for living organisms that is composed of four bases (C, G, A and T) -- is more open to unnatural letters than had previously been thought. An expanded "DNA alphabet" could carry more information than natural DNA, potentially coding for a much wider range of molecules and enabling a variety of powerful applications, from precise molecular probes and nanomachines to useful new life forms.Sun, 03 Jun 2012 19:17:17 EDThttp://www.sciencedaily.com/releases/2012/06/120603191722.htmNanotechnology breakthrough could dramatically improve medical testshttp://www.sciencedaily.com/releases/2012/05/120531165752.htm A laboratory test used to detect disease and perform biological research could be made more than 3 million times more sensitive, according to researchers who combined standard biological tools with a breakthrough in nanotechnology.Thu, 31 May 2012 16:57:57 EDThttp://www.sciencedaily.com/releases/2012/05/120531165752.htmX-ray laser probes biomolecules to individual atomshttp://www.sciencedaily.com/releases/2012/05/120531145728.htm Scientists have demonstrated how the world's most powerful X-ray laser can assist in cracking the structures of biomolecules, and in the processes helped to pioneer critical new investigative avenues in biology.Thu, 31 May 2012 14:57:57 EDThttp://www.sciencedaily.com/releases/2012/05/120531145728.htmBuilding molecular 'cages' to fight diseasehttp://www.sciencedaily.com/releases/2012/05/120531145720.htm Biochemists have designed specialized proteins that assemble themselves to form tiny molecular cages hundreds of times smaller than a single cell. The creation of these miniature structures may be the first step toward developing new methods of drug delivery or even designing artificial vaccines.Thu, 31 May 2012 14:57:57 EDThttp://www.sciencedaily.com/releases/2012/05/120531145720.htmFree-electron lasers reveal detailed architecture of proteinshttp://www.sciencedaily.com/releases/2012/05/120531145630.htm Ultrashort flashes of X-radiation allow atomic structures of macromolecules to be obtained even from tiny protein crystals.Thu, 31 May 2012 14:56:56 EDThttp://www.sciencedaily.com/releases/2012/05/120531145630.htmRewriting DNA to understand what it sayshttp://www.sciencedaily.com/releases/2012/05/120531102207.htm Our ability to "read" DNA has made tremendous progress in the past few decades, but the ability to understand and alter the genetic code, that is, to "rewrite" the DNA-encoded instructions, has lagged behind. A new study advances our understanding of the genetic code: It proposes a way of effectively introducing numerous carefully planned DNA segments into genomes of living cells and of testing the effects of these changes. New technology speeds up DNA "rewriting" and measures the effects of the changes in living cells.Thu, 31 May 2012 10:22:22 EDThttp://www.sciencedaily.com/releases/2012/05/120531102207.htmNanodevice manufacturing strategy using DNA 'Building blocks'http://www.sciencedaily.com/releases/2012/05/120530152203.htm Researchers have developed a method for building complex nanostructures out of interlocking DNA "building blocks" that can be programmed to assemble themselves into precisely designed shapes. With further development, the technology could one day enable the creation of new nanoscale devices that deliver drugs directly to disease sites.Wed, 30 May 2012 15:22:22 EDThttp://www.sciencedaily.com/releases/2012/05/120530152203.htmBioChip may make diagnosis of leukemia and HIV faster, cheaperhttp://www.sciencedaily.com/releases/2012/05/120530104034.htm Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according to researchers.Wed, 30 May 2012 10:40:40 EDThttp://www.sciencedaily.com/releases/2012/05/120530104034.htmCellular computers? Scientists train cells to perform boolean functionshttp://www.sciencedaily.com/releases/2012/05/120530100041.htm Scientists have engineered cells that behave like AND and OR Boolean logic gates, producing an output based on one or more unique inputs. This feat could eventually help researchers create computers that use cells as tiny circuits.Wed, 30 May 2012 10:00:00 EDThttp://www.sciencedaily.com/releases/2012/05/120530100041.htmIon-based electronic chip to control muscles: Entirely new circuit technology based on ions and moleculeshttp://www.sciencedaily.com/releases/2012/05/120529113543.htm An integrated chemical chip has just been developed. An advantage of chemical circuits is that the charge carrier consists of chemical substances with various functions. This means that we now have new opportunities to control and regulate the signal paths of cells in the human body. The chemical chip can control the delivery of the neurotransmitter acetylcholine. This enables chemical control of muscles, which are activated when they come into contact with acetylcholine.Tue, 29 May 2012 11:35:35 EDThttp://www.sciencedaily.com/releases/2012/05/120529113543.htmMethod for building artificial tissue devisedhttp://www.sciencedaily.com/releases/2012/05/120528154859.htm Physicists have developed a method that models biological cell-to-cell adhesion that could also have industrial applications.Mon, 28 May 2012 15:48:48 EDThttp://www.sciencedaily.com/releases/2012/05/120528154859.htmSmallest possible five-ringed structure made: 'Olympicene' molecule built using clever synthetic organic chemistryhttp://www.sciencedaily.com/releases/2012/05/120528100253.htm Scientists have created and imaged the smallest possible five-ringed structure -- about 100,000 times thinner than a human hair. Dubbed 'olympicene', the single molecule was brought to life in a picture thanks to a combination of clever synthetic chemistry and state-of-the-art imaging techniques.Mon, 28 May 2012 10:02:02 EDThttp://www.sciencedaily.com/releases/2012/05/120528100253.htm'Unzipped' carbon nanotubes could help energize fuel cells and batterieshttp://www.sciencedaily.com/releases/2012/05/120527153818.htm Multi-walled carbon nanotubes riddled with defects and impurities on the outside could replace some of the expensive platinum catalysts used in fuel cells and metal-air batteries, according to scientists.Sun, 27 May 2012 15:38:38 EDThttp://www.sciencedaily.com/releases/2012/05/120527153818.htmSuper-sensitive tests could detect diseases earlierhttp://www.sciencedaily.com/releases/2012/05/120527153718.htm Scientists have developed an ultra-sensitive test that should enable them to detect signs of a disease in its earliest stages.Sun, 27 May 2012 15:37:37 EDThttp://www.sciencedaily.com/releases/2012/05/120527153718.htmCell?s transport pods look like a molecular version of robots from Transformershttp://www.sciencedaily.com/releases/2012/05/120525103614.htm Images of the cell's transport pods have revealed a molecular version of the robots from Transformers. Previously, scientists had been able to create and determine the structure of 'cages' formed by parts of the protein coats that encase other types of vesicles, but this study was the first to obtain high-resolution images of complete vesicles, budded from a membrane.Fri, 25 May 2012 10:36:36 EDThttp://www.sciencedaily.com/releases/2012/05/120525103614.htmDiscarded data may hold the key to a sharper view of moleculeshttp://www.sciencedaily.com/releases/2012/05/120524143527.htm There's nothing like a new pair of eyeglasses to bring fine details into sharp relief. For scientists who study the large molecules of life from proteins to DNA, the equivalent of new lenses have come in the form of an advanced method for analyzing data from X-ray crystallography experiments.Thu, 24 May 2012 14:35:35 EDThttp://www.sciencedaily.com/releases/2012/05/120524143527.htmNewly modified nanoparticle opens window on future gene editing technologieshttp://www.sciencedaily.com/releases/2012/05/120524123232.htm Researchers are using nanoparticles to simultaneously deliver proteins and DNA into plant cells. The technology could allow more sophisticated and targeted editing of plant genomes. And that could help researchers develop crops that adapt to changing climates and resist pests.Thu, 24 May 2012 12:32:32 EDThttp://www.sciencedaily.com/releases/2012/05/120524123232.htmUnusual quantum effect discovered in earliest stages of photosynthesishttp://www.sciencedaily.com/releases/2012/05/120524092932.htm Quantum physics and plant biology seem like two branches of science that could not be more different, but surprisingly they may in fact be intimately tied. Scientists have discovered an unusual quantum effect in the earliest stages of photosynthesis.Thu, 24 May 2012 09:29:29 EDThttp://www.sciencedaily.com/releases/2012/05/120524092932.htmBig step toward quantum computing: Efficient and tunable interface for quantum networkshttp://www.sciencedaily.com/releases/2012/05/120523135527.htm Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in a network. While several building blocks for a quantum computer have already been successfully tested in the laboratory, a network requires one additonal component: A reliable interface between computers and information channels. Austrian physicists now report the construction of an efficient and tunable interface for quantum networks.Wed, 23 May 2012 13:55:55 EDThttp://www.sciencedaily.com/releases/2012/05/120523135527.htmRapid DNA sequencing may soon be routine part of each patient's medical recordhttp://www.sciencedaily.com/releases/2012/05/120522152655.htm Rapid DNA sequencing may soon become a routine part of each individual's medical record, providing enormous information previously sequestered in the human genome's 3 billion nucleotide bases. Recent advances in sequencing technology using a tiny orifice known as a nanopore are covered in a new a article.Tue, 22 May 2012 15:26:26 EDThttp://www.sciencedaily.com/releases/2012/05/120522152655.htmMethod to strengthen proteins with polymershttp://www.sciencedaily.com/releases/2012/05/120521164104.htm Scientists have synthesized polymers to attach to proteins in order to stabilize them during shipping, storage and other activities. The study findings suggest that these polymers could be useful in stabilizing protein formulations.Mon, 21 May 2012 16:41:41 EDThttp://www.sciencedaily.com/releases/2012/05/120521164104.htmTotally RAD: Bioengineers create rewritable digital data storage in DNAhttp://www.sciencedaily.com/releases/2012/05/120521163751.htm Scientists have devised a method for repeatedly encoding, storing and erasing digital data within the DNA of living cells. In practical terms, they have devised the genetic equivalent of a binary digit -- a "bit" in data parlance.Mon, 21 May 2012 16:37:37 EDThttp://www.sciencedaily.com/releases/2012/05/120521163751.htmDon't like blood tests? New microscope uses rainbow of light to image the flow of individual blood cellshttp://www.sciencedaily.com/releases/2012/05/120521115654.htm Blood tests convey vital medical information, but the sight of a needle often causes anxiety and results take time. A new device however, can reveal much the same information as a traditional blood test in real-time, simply by shining a light through the skin. This portable optical instrument is able to provide high-resolution images of blood coursing through veins without the need for harsh fluorescent dyes.Mon, 21 May 2012 11:56:56 EDThttp://www.sciencedaily.com/releases/2012/05/120521115654.htmZooming in on bacterial weapons in 3-D: Structure of bacterial injection needles deciphered at atomic resolutionhttp://www.sciencedaily.com/releases/2012/05/120521103808.htm The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. Through needle-like structures, they release molecular agents into their host cell, thereby evading the immune response. Researchers have now elucidated the structure of such a needle at atomic resolution. Their findings might contribute to drug tailoring and the development of strategies which specifically prevent the infection process.Mon, 21 May 2012 10:38:38 EDThttp://www.sciencedaily.com/releases/2012/05/120521103808.htmEngineers use droplet microfluidics to create glucose-sensing microbeadshttp://www.sciencedaily.com/releases/2012/05/120518132657.htm Tiny beads may act as minimally invasive glucose sensors for a variety of applications in cell culture systems and tissue engineering.Fri, 18 May 2012 13:26:26 EDThttp://www.sciencedaily.com/releases/2012/05/120518132657.htmChemists merge experimentation with theory in understanding of water moleculehttp://www.sciencedaily.com/releases/2012/05/120518081147.htm Using newly developed imaging technology, chemists have confirmed years of theoretical assumptions about water molecules, the most abundant and one of the most frequently studied substances on Earth.Fri, 18 May 2012 08:11:11 EDThttp://www.sciencedaily.com/releases/2012/05/120518081147.htmDiamond used to produce graphene quantum dots and nano-ribbons of controlled structurehttp://www.sciencedaily.com/releases/2012/05/120517193141.htm Researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electronics and optoelectronics.Thu, 17 May 2012 19:31:31 EDThttp://www.sciencedaily.com/releases/2012/05/120517193141.htmIn chemical reactions, water adds speed without heathttp://www.sciencedaily.com/releases/2012/05/120517143506.htm Scientists have discovered how adding trace amounts of water can tremendously speed up chemical reactions -? such as hydrogenation and hydrogenolysis ?- in which hydrogen is one of the reactants, or starting materials.Thu, 17 May 2012 14:35:35 EDThttp://www.sciencedaily.com/releases/2012/05/120517143506.htmPlant protein discovery could boost bioeconomyhttp://www.sciencedaily.com/releases/2012/05/120514104848.htm Three proteins have been found to be involved in the accumulation of fatty acids in plants. The discovery could help plant scientists boost seed oil production in crops. And that could boost the production of biorenewable fuels and chemicals.Mon, 14 May 2012 10:48:48 EDThttp://www.sciencedaily.com/releases/2012/05/120514104848.htmPhotonics: New approach to generating terahertz radiation will lead to new imaging and sensing applicationshttp://www.sciencedaily.com/releases/2012/05/120510095622.htm A new approach to generating terahertz radiation will lead to new imaging and sensing applications. The low energy of the radiation means that it can pass through materials that are otherwise opaque, opening up uses in imaging and sensing ? for example, in new security scanners. In practice, however, applications have been difficult to implement.Thu, 10 May 2012 09:56:56 EDThttp://www.sciencedaily.com/releases/2012/05/120510095622.htmIt's a trap: New lab technique captures microRNA targetshttp://www.sciencedaily.com/releases/2012/05/120509135959.htm To better understand how microRNAs -- small pieces of genetic material -- influence human health and disease, scientists first need to know which microRNAs act upon which genes. To do this scientists developed miR-TRAP, a new easy-to-use method to directly identify microRNA targets in cells.Wed, 09 May 2012 13:59:59 EDThttp://www.sciencedaily.com/releases/2012/05/120509135959.htmQuantum dots brighten the future of lightinghttp://www.sciencedaily.com/releases/2012/05/120508173349.htm Researchers have boosted the efficiency of a novel source of white light called quantum dots more than tenfold, making them of potential interest for commercial applications.Tue, 08 May 2012 17:33:33 EDThttp://www.sciencedaily.com/releases/2012/05/120508173349.htmMolecular container gives drug dropouts a second chancehttp://www.sciencedaily.com/releases/2012/05/120508152129.htm Chemists have designed a molecular container that can hold drug molecules and increase their solubility, in one case up to nearly 3,000 times.Tue, 08 May 2012 15:21:21 EDThttp://www.sciencedaily.com/releases/2012/05/120508152129.htmUltrasound idea: Prototype bioreactor evaluates engineered tissue while creating ithttp://www.sciencedaily.com/releases/2012/05/120503194229.htm Researchers have developed a prototype bioreactor that both stimulates and evaluates tissue as it grows, mimicking natural processes while eliminating the need to stop periodically to cut up samples for analysis.Thu, 03 May 2012 19:42:42 EDThttp://www.sciencedaily.com/releases/2012/05/120503194229.htmNew technique generates predictable complex, wavy shapes: May explain brain folds and be useful for drug deliveryhttp://www.sciencedaily.com/releases/2012/05/120503120130.htm A new technique predictably generates complex, wavy shapes and may help improve drug delivery and explain natural patterns from brain folds to bell peppers.Thu, 03 May 2012 12:01:01 EDThttp://www.sciencedaily.com/releases/2012/05/120503120130.htmAt smallest scale, liquid crystal behavior portends new materialshttp://www.sciencedaily.com/releases/2012/05/120502132953.htm Liquid crystals, the state of matter that makes possible the flat screen technology now commonly used in televisions and computers, may have some new technological tricks in store.Wed, 02 May 2012 13:29:29 EDThttp://www.sciencedaily.com/releases/2012/05/120502132953.htmElectronic nanotube nose out in fronthttp://www.sciencedaily.com/releases/2012/05/120502112910.htm A new nanotube super sensor is able to detect subtle differences with a single sniff. For example, the chemical dimethylsulfone is associated with skin cancer. The human nose cannot detect this volatile but it could be detected with the new sensor at concentrations as low as 25 parts per billion.Wed, 02 May 2012 11:29:29 EDThttp://www.sciencedaily.com/releases/2012/05/120502112910.htmBiomimetic polymer synthesis enhances structure controlhttp://www.sciencedaily.com/releases/2012/05/120502091839.htm A new biomimetic approach to synthesising polymers will offer unprecedented control over the final polymer structure and yield advances in nanomedicine, researchers say.Wed, 02 May 2012 09:18:18 EDThttp://www.sciencedaily.com/releases/2012/05/120502091839.htmHigh-powered microscopes reveal inner workings of sex cellshttp://www.sciencedaily.com/releases/2012/05/120501085502.htm Scientists using high-powered microscopes have made a stunning observation of the architecture within a cell ? and identified for the first time how the architecture changes during the formation of gametes, also known as sex cells, in order to successfully complete? the process.Tue, 01 May 2012 08:55:55 EDThttp://www.sciencedaily.com/releases/2012/05/120501085502.htm

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Rulers

The Shattered Mirror

Mirror Mirror on the wall, where the heck did I fall?

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This topic is an Out Of Character part of the roleplay, ?The Shattered Mirror?. Anything posted here will also show up there.

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Forum for completely Out of Character (OOC) discussion, based around whatever is happening In Character (IC). Discuss plans, storylines, and events; Recruit for your roleplaying game, or find a GM for your playergroup.
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King Duncan-King Duncan is the current ruler of Terrathiea, he is kind and just, trying to make sure peace reigns. He does his best to make sure his citizens are kept happy and well fed, not just in Kalander, where his castle is, but in other areas. He is good friends with the prince of Langish desert. He doesn't know it but there are assassins in Slith that would love to see him dead. When he goes into battle he wears gray armor.

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Lord Valandil and Lady Aerandir- They are the elf rulers, kind and just, if not set in there ways. It isn't exactly known how long they have been alive, or even married. They have been seen in Kalandor from time to time, mainly when there is a ceremony, but very few know where in the woods they live. They are kind to King Duncan but think he is rather young, but most humans are.

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Prince Ali- Prince Ali is a young ruler, but he does his best to keep things in order. However like most young people he doesn't like to sit still. He does end up going through the city dressed as an ordinary citizen, trying to make sure that everyone is happy. He is currently married to Princess Yasimen, but she doesn't have much of a head for politics, but she does care for her people and tries to help her husband out as best as she can.

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Empress Meru- Unlike most of the other societies, Mer society is a female dominated society, and they are ruled by Empress Meru. She is a wise mer, but she can be sensitive. Her kingdom is one of the few that have female warriors. She hates being treated as a lesser ruler by some of the humans, and hates how people think that she is only a ruler because she isn't married and was the only child of the last ruler.

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Queen Lotak-Her name is only whispered or told in tales to scare childern. She is the ruler of the demons, though not many believe in her any more. Only the demons now know that she is real, and they will follow her orders...though not out of loyalty but out of fear.

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Chief Denyryr- He is the chief of the nomad centuars, and he loves to party and live it up. He is considered a barbarian among the humans, but honestly he can be polite when he feels like it. He is a bit of a flirt, and will hit on ladies of any race. He is currently not married.

Image
Queen Sealen- She is the current ruler of the selkies, though honestly the selkies only meet every few monthes. They are a free people, each staying in a smaller packs ruled by an alpha. But they all follow her laws. They are free spirited and playful, finding joy in little things. A few have been lost to human males stealing their skin, forcing them into human forms and marrying them, at least until they find their skin again. Currently residing in Karrash ocean, with the mers.

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Novel animal reservoir for group of tick-borne diseases discovered -- and it lives in your backyard

ScienceDaily (June 23, 2012) ? A team of scientists at Washington University in St. Louis has been keeping a wary eye on emerging tick-borne diseases in Missouri for the past dozen years, and they have just nailed down another part of the story.

They knew from earlier work that the animal reservoirs for the diseases included white-tailed deer, wild turkey and a species in the squirrel familiy, but the DNA assay they had used wasn't sensitive enough to identify the species.

Squirrels belong to a large family called the Sciuridae, which includes chipmunks, fox squirrels, red squirrels, flying squirrels, ground hogs and prairie dogs.

In the May issue of the Journal of Medical Entomology the scientists, led by Robert E. Thach, PhD, professor of biology in Arts & Sciences, report that a more sensitive assay has allowed them to identify the major species in question as the eastern gray squirrel.

Yes, the friendly neighborhood seed thief and dog tease is also a mobile tick blood supply and bacteria incubator.

The work is important because tick-borne diseases can be efficiently controlled only if all of the animal reservoirs that might contribute to transmission of the disease have been identified.

Not your New England tick

The most prevalent tick-borne disease in North America is Lyme disease, which is transmitted by the bite of an infected black-legged tick. In the southeastern United States, however, the most common diseases are ehrlichioses and STARI, which are transmitted by the bite of a different tick, the lone star tick.

Until 1986, ehrlichia bacteria were thought to cause disease only in animals. But in that year, a physician noticed mulberry-shaped aggregates characteristic of the bacteria in the blood of a gravely ill man.

The lone star tick, similarly, was thought to be merely a nuisance species until 1993, when the DNA of one of the ehrlichia species was found in lone star ticks collected in Missouri and several other states.

Ehrlichiosis typically begins with vague symptoms that mimic those of other bacterial illnesses. In a few patients, however, it progresses rapidly to affect the liver and other organs, and may cause death unless treated with antibiotics. STARI is similar to Lyme disease but seems to be less virulent.

The reservoirs

By 2010, with the pathogens and their vector identified, the WUSTL team was trying to find the animal reservoirs.

Looking for pathogens and host species, they ran two assays on the ground-up ticks: one to identify the DNA of pathogens and the other to identify the DNA of animals that had provided blood meals.

The blood meal assay on ticks carrying pathogens identified white-tailed deer blood and the blood of a species in the squirrel family, but it couldn't distinguish among 20 or so possible squirrel species.

So the team was very interested when they read a paper in the Journal of Medical Entomology about a new assay that could identify tick blood meals down to the species level.

The assay, developed by scientists at the University of Neuchatel in Neuchatel, Switzerland, used a segment of mitochondrial DNA instead of nuclear DNA as a species marker.

Mitochondria, organelles within the cells that convert energy into forms cells can use, have their own DNA, probably because they were once free-living bacteria.

For reasons that are not entirely clear, mitochondrial DNA mutates faster than DNA tucked away in the cell nucleus. It may be that the mitochondria simply have more primitive DNA repair mechanisms and so cannot fix mistakes if they occur.

In any case, the more mutations, the greater the difference between the DNA of two different species, and the greater the power of the assay to distinguish among species, Thach says.

To tailor the assay for their purposes, the team retrieved the DNA sequences for possible North American host species from Genbank, an open-access sequence database. Sequences not available in the database were determined by the lab.

Lisa S. Goessling, now a research lab supervisor in the School of Medicine, used the sequences to make a palette of probes for 11 species and -- just to make sure the net was cast wide enough -- several higher taxonomic orders.

The scientist then re-ran old samples and newly collected ticks through the new assay. Spots on the assay where the tick blood and the gray squirrel probe overlapped lit up, signaling the presence of gray squirrel blood in the ticks.

Why not the others?

Lone star ticks are famously aggressive and indiscriminate biters, so why hadn't they attacked other animals? Is there something special about deer or gray squirrels that makes the ticks prefer them?

This isn't the kind of question the scientists can answer definitively, but Thach doesn't think so. He has a simpler answer.

"If you think of an inventory of the animals in the woods and the amount of blood in each, well, most of the available blood in the woods is in deer, and next to that in turkeys and squirrels, because turkeys are so big and there are so many squirrels. So I suspect it's mainly just a mass phenomenon," he says.

Neighborhood, neighborhood, neighborhood

Having found gray squirrel DNA in tick blood, the scientists attacked the problem from a different angle to see if they could confirm their results. They trapped gray squirrels rather than ticks.

Were the gray squirrels carrying tick-borne pathogens? The answer, it turned out, depends on where you are. Only 5 percent of the squirrels in a relatively urban suburb (University City, Mo.) were carrying a pathogen, but 25 percent of the squirrels in a wooded "garden suburb" (Kirkwood, Mo.) were infected.

Why the difference? Thach suspects it comes down to white-tailed deer. There are few, if any, in University City, but they cruise backyards in Kirkwood. Wherever deer go they shed ticks.

This also is the likely answer to another conundrum: the absence or near absence of]ticks in Forest Park, the 1,371-acre urban park that adjoins Washington University in St. Louis. Thach says an exhaustive search turned up only one tick.

Why so few ticks? Perhaps because the only deer in Forest Park are the ones in the Saint Louis Zoo.

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The above story is reprinted from materials provided by Washington University in St. Louis.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Goessling, L.S., Allan, B.F., Mandelbaum,R.S., and Thach, R.E. Development of a Mitochondrial 12S rDNA Analysis for Distinguishing Sciuridae Species 19 with Potential to Transmit Ehrlichia and Borrelia Species to Feeding Amblyomma 20 americanum (Acari: Ixodidae). Journal of Medical Entomology, 2012 (In press)

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

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Saturday, June 23, 2012

Make The Correct Online Marketing Method By Utilising These Ideas ...

The web is really a effective instrument in several businesses. Online marketing may have a large optimistic effect for almost any organization. Regardless if you are only considering a transfer to the field, or maybe you are already operating a whole-blown online marketing system, a little bit assistance might be beneficial. Continue reading for swift tips to boost the effectiveness of your respective internet marketing endeavours.

Listing

To obtain your website?s title on the market, make the most of local business web directories, several that happen to be free. There are lots of directories on the internet, enough totally free versions, that it is not necessary to pay for a itemizing in a single. Get the organization indexed in as much directories that you can discover. As a result you will get more traffic plus more organization.

To acquire your website?s title available, take advantage of local company web directories, many which can be free of charge. There are lots of directories online, ample free of charge ones, that it is not essential to pay for a itemizing in just one. Buy your company indexed in as numerous directories that you can find. As a result you will definately get more visitors plus more enterprise.

When itemizing free of charge benefits with your advertisement version in your website about your merchandise, ensure that you consist of exactly how much those things are routinely. This may give consumers an idea with regards to just how much they may be protecting or benefiting from operating with a free of charge motivator you will be providing on your product or service.

Be sure your enterprise is easy to find. Place your telephone number on the contact site. At times each time a client is store shopping, they need a sudden respond to and will not make time to wait around for a message. By having your variety outlined, you will be rendering it feasible for a possible buyer get in touch with you.

It can be vital to track visitor data to enable you to increase your organization. Important information to track is inbound phone calls in your organization. You simply need a devoted telephone number to your organization. This amount must attribute prominently on your own site. Utilize a telephone monitoring company that produces contact reports. The type of info you will get is the caller?s brand, contact number and the size of the telephone contact.

One simple, effective method to promote your business or product or service on the web is to utilise online internet directories. By getting started with a directory listing, you can expect to significantly improve the chances of you being found by men and women seeking the internet for that services you give. Hopefully, as the amount of visitors to your site increases, so as well will the volume of spending buyers.

One strategy to improve your web sites coverage is always to put the Web address for the Open Directory Task at www.dmoz.org. Submissions are evaluated for top quality, yet, if your site is accepted, it will likely be a part of a huge, comprehensive human-edited Web directory site and stay indexed in Google?s list, opening the entrance to another target audience of potential clients.

Mobile phone

Providing free mobile phone consultation services, will generally give elevated sales. Furthermore this give you a personalized ability to offer, nevertheless it displays your customers that you are currently the sort of business that cares and will take occasions in order to meet their needs. Even when a purchase is just not manufactured as a direct outcome of the call, it can develop the commitment of your client, which may mean potential sales and recommendations.

One thing that you can do as a way to create rely on with the clients in terms of web marketing is by offering them totally free mobile phone assessment just before they elect to get your products or services. It will likewise get them to find out you actually which may lead to far more income in the end.

One particular excellent website marketing instrument is to supply potential customers a free mobile phone consultation just before they buy any of your goods or services. If people familiarize yourself with you personally, it will be simpler so they can buy your goods. It is possible to establish individual contacts with your customers that may improve your standing along with the trustworthiness of your business.

One thing you can do so that you can construct rely on with the buyers in terms of internet marketing is simply by providing them cost-free telephone consultation before they choose to get your merchandise. It will have them to understand you individually which can lead to a lot more revenue in the long term.

Merge website marketing with many other classical forms of advertising and marketing. Phone individuals in the phone that have frequented your working environment and get shown interest in your merchandise. Give advertising things by way of standard email to frequent consumers. Deliver thanks cards to anyone who has stopped at and acquired items of your stuff. Take advantage of all of the possibilities readily available for marketing your business.

A client must feel safe when opting to get a product or service on-line. A good way to enable them to feel relaxed is making it effortless so they can make contact with you should they should. Itemizing a contact number, e-mail address and physical tackle may be all it takes for your consumer to feel at ease adequate to place an order.

Make sure your small business is simple to find. Position your contact number on the speak to webpage. Occasionally when a client is buying, they desire a sudden answer and will not take time to await an e-mail. By getting your quantity detailed, you might be so that it is easy for a potential consumer get in touch with you.

Make certain your small business is simple to find. Place your telephone number around the make contact with webpage. Often each time a consumer is purchasing, they really want an immediate solution and definately will not spend some time to watch for an email. With your number outlined, you are which makes it easier for a potential customer to contact you.

Make certain your business is readily available. Place your phone number around the contact page. Occasionally each time a client is shopping, they want a quick answer and definately will not spend some time to await an email. By getting your number outlined, you might be so that it is simple for a prospective consumer to contact you.

Telephone directory

Be sure you list your articles inside the right internet directories. As an illustration, you are able to checklist e-zines, notifications or some other free services in the certain directory site. This ought to attract a couple of visitors who found out relating to your solutions while seeking via internet directories, as well as men and women thinking about covering your market.

Be sure you listing your posts within the appropriate web directories. For example, it is possible to listing e-zines, notifications or any other cost-free assistance within a certain website directory. This should attract a few website visitors who determined about your professional services when looking by means of directories, along with individuals thinking about covering your industry.

You don?t must pay to possess your small business included with an enterprise directory. There are many free of charge options available that provides you with as much visibility as those who request you to purchase their solutions. Check out to the free types and use all those instead, since they are just like useful.

To boost the buzz of your own backlinks, send your web site to all readily available directories. There are a huge selection of databases which will listing your web site at no charge, numerous by using a higher page ranking. Itemizing your website inside a website directory certain in your site?s classification, say for example a overall health food listing or even a animal proper care website directory, can be specifically successful.

To boost the recognition of your respective hyperlinks, send your internet site to all readily available web directories. There are actually a huge selection of databases that can list your website at no cost, several using a high google page rank. Itemizing your website in a directory site certain for your site?s class, like a well being food items directory or even a family pet care listing, could be specially effective.

Purchase placed in each cost-free website directory to boost traffic and awareness of your organization. Because of so many web directories giving to attribute your Internet enterprise totally free, there happens to be absolutely no reason to fund one particular. From major factors like Yahoo and google and Google to your nearby area sale listings, this really is one quite cost-effective enterprise instrument to set to great use.

Have yourself indexed in each and every totally free directory to enhance traffic and knowledge of your business. Considering the variety of internet directories providing to feature your online company for free, there actually is no reason to purchase 1. From main forces like Google and Google in your nearby local community listings, this is certainly one very cost effective business device to get to great use.

Attempt to get your business indexed in directories that meet the needs of people a certain potential audience. When you have an actual real estate company, you might not desire to be within a listing filled up with legal professionals. Get databases that happen to be specific to whichever kind of company you specialize in.

One thought that can help along with your online marketing is usually to include your name to a local company website directory. You can test such as Yelp or perhaps Craigslist to have your business and web site around. You want people to view your title and manufacturer as numerous places as you possibly can.

Submit your internet site to important internet directories. A link from the directory will bring you targeted traffic and help your standing. A directory site is not really the same as a search engine, it is only a list of web sites according to group. You may distribute your blog towards the free Open Directory site Project (www.dmoz.com). It might time some time to get outlined, wait several days and if you don?t watch your listing, resubmit.

As i have said at the beginning of this short article, the importance of web marketing in this particular digital era can not be over-stated. Regardless of the dimensions of your organization, your customers use the web and utilizing online marketing is a great method to reach them. Keep to the marketing recommendations talked about right here, to ensure that you increase and promote your enterprise.

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Syria forms new government; key posts unchanged

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'Girl Thing' science video: Not a good thing

This version of the controversial "Science: It's a Girl Thing" video was posted to YouTube after the European Commission's original version was rendered inaccessible.

By Alan Boyle

Doing smackdowns on stupid online videos could be a full-time job, so it's a good thing that so many other people are willing to take on the task. What's not a good thing is the video done up for the European Commission's Women in Research and Innovation initiative, which has high-heeled models glamming it up to tout science as a "girl thing."

Not that I'm against high-heeled models, but as a teaser to highlight women in science or get girls interested in science careers, it earns a strong thumbs-down. After weathering the bad reviews on the Web and Twitter for hours and hours, the European Commission shut down access to the video and tweeted, "OK, scientists, we heard you."


The campaign in general isn't a bad thing. This quote from the Science-Girl-Thing.eu website hits the right tone:

"Want to save lives? Keen to find out what?s lurking in the nether regions of space, or in the deepest ocean trench? Passionate about the environment? Do something about it! The next great discovery could be yours, so come and take up the challenge.

"Did you know that girls do as well as boys in science and maths at school but many more boys go on to further study science, technology and engineering? So girls, remember: you?ve got what it takes.

"Science needs your ideas, your inspiration and your passion ? science needs YOU!"

It's just too bad that one video spoils the mood. Now I'm waiting for the parody video, "Science: It's a Guy Thing," which will have Chippendale male dancers strut their stuff while a bespectacled woman looks up from the microscope.

For a selection of the smackdowns, just sort through the Twitter tweets that include the #sciencegirlthing tag?? or, as a balancer, the #realwomenofscience tag. Both of those tags have risen to Twitter's list of top trenders. ?This Skepchick posting by my blogging colleague, Noisy Astronomer Nicole Gugliucci, provides a great survey of the pluses and the minuses. She includes this video that covers the positive side of the ledger. Like the awful teaser video, it's part of the "Science: It's a Girl Thing" video gallery.

This "Science: It's a Girl Thing" video focuses on University of Liege astronomer Yael Naz?.

Update for 2:15 p.m. ET: The tweets from European Commission spokesman Michael Jennings suggest that he thinks the campaign's evil plan is working: "Hope was to get young people onto site. That seems to be happening! ... Lots of comments on #sciencegirlthing vid. 45 seconds of fun for launch to grab attention. Not central to main campaign."

Update for 5:45 p.m. ET: The original teaser video has been taken down, but of course you can still find an archived version on YouTube. The Science-Girl-Thing.eu website features a different teaser trailer, and the European Commission's communication department says this in a Twitter update: "OK, scientists, we've heard you and we want to keep hearing you. Help us build a list of #realwomeninscience: https://t.co/A2LX24ym." That shortened Web address points to a list of Twitter accounts for female scientists. More than 100 women are on the list so far, and it's growing by the minute. Now, that's a good thing.

Update for 7:05 p.m. ET: Twitterers are tittering over tweets with the #scienceboything hashtag, but I'm still waiting for the "Science: It's a Guy Thing" video.

More about women in science:


Alan Boyle is msnbc.com's science editor. Connect with the Cosmic Log community by "liking" the log's Facebook page, following @b0yle on Twitter and adding the?Cosmic Log page?to your Google+ presence. You can also check out?"The Case for Pluto,"?my book about the controversial dwarf planet and the search for new worlds.

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Queen of Sheba's gift? Genetic mixing trail

The Queen of Sheba's genetic legacy may live on in Ethiopia, according to new research that finds evidence of long-ago genetic mixing between Ethiopian populations and Syrian and Israeli people.

The Queen of Sheba, known in Ethiopia as Makeda, is mentioned in both the Bible and the Quran. The Bible discusses diplomatic relations between this monarch and King Solomon of Israel, but Ethiopian tradition holds that their relationship went deeper: Makeda's son, Menelik I, the first emperor of Ethiopia, is said to be Solomon's offspring.

Whether this tale is true or not, new evidence reveals close links between Ethiopia and groups outside of Africa. Some Ethiopians have 40 percent to 50 percent of their genomes that match more closely with populations outside of Africa than those within, while the rest of the genomes more closely match African populations, said study researcher Toomas Kivisild of the University of Cambridge. [ History's Most Overlooked Mysteries ]

"We calculated genetic distances and found that these non-African regions of the genome are closest to the populations in Egypt, Israel and Syria," Kivislid said in a statement.

From its perch on the Horn of Africa, Ethiopia is the site of early hominin discoveries such as "Lucy," a fossilized Australopithecus afarensis and an early human ancestor. Ethiopia is also a gateway between Africa and Asia, according to Kivislid and his colleagues. But few genetic studies have delved specifically into the Ethiopian genome.

Both agriculture and linguistics show a link between Ethiopia and lands outside of Africa. For example, archaeologists have uncovered wheat and barley farming in Ethiopia, agriculture that first arose in the Fertile Crescent of the Middle East. Linguistically, Ethio-Semitic, a language spoken both in Ethiopia and nearby Eritrea, has been traced to a Middle Eastern origin.?

To better understand the genetic ties between Ethiopia and the rest of the world, Kivislid and his colleagues analyzed the genomes of 188 Ethiopian men from 10 diverse populations. The men came from different regions and spoke different languages.

The results revealed that the Ethiopian genome is less ancient than those of some South African populations, and that Ethiopian genes are quite diverse. Language hinted at genetics, the researchers found: Speakers of Semetic and Cushitic tongues were shown to have genomes about half comprised of genes from non-African origins. Other groups were characterized by mixes of eastern and western African genes.

Tracing the genomic changes, the researchers found that the non-African and African genes first mingled about 3,000 years ago rather than during more recent times, the researchers reported Thursday in the American Journal of Human Genetics. [ Most Tragic Love Stories in History ]

  1. More science news from msnbc.com

    1. Happy 100th birthday, Alan Turing

      Science editor Alan Boyle's blog: The centennial of computer pioneer Alan Turing's birth is providing an opportunity to look back at his brilliant life and his tragic end.

    2. Dairy farms once prospered in Sahara
    3. Feds to seize disputed dinosaur Friday
    4. Talisman of ancient googly-eyed god found

That timeline confirms what linguistic studies have suggested about links between the Middle East and Ethiopia during this time period, the researchers wrote. It also matches records and tales of the reign of the Queen of Sheba from about 1005 to 955 B.C., when trade routes were established and a royal son, perhaps, was born. Relations between the Horn of Africa and the Middle East would continue for centuries.

"These long-lasting links between the two regions are reflected in influences still apparent in the modern Ethiopian cultural, and, as we show here, genetic landscapes," the researchers wrote.

Follow Stephanie Pappas on Twitter @sipappas ? or LiveScience @livescience. We're also on Facebook ? and Google+.

? 2012 LiveScience.com. All rights reserved.

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