Duke Researchers Show "Editing" Can Fix Faulty Genes In New Approach To Gene Therapy
...to thefinal protein product. Cells have evolved an efficient system that usesRNA enzymes or "ribozymes" to cut junk out of mRNA and paste itback together again. Sullenger reasoned that ribozymes could be adapted as atool to recognize defective mRNA and splice in a corrected version. To accomplishthis, he turn...Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...s of DNA. Zeta, however, is at least 10 times more efficient at getting aroundtheseimpasses, somehow replicating past unrepaired sites. This keeps the cell alive, but it increases the odds of amutation. "This is a last-gasp system," says Hinkle. "For the cell, it's better to mutate than to die." Law...Water Recycling Project Tested in Turkey Plant
...two companies has resulted inapplication of a more efficient way to use the massive amounts of waterrequired to process turkeys. The new system uses ozone, a highly reactiveform of oxygen, to recycle water in the plants. The Cargill, Inc., Honeysuckle White turkey processing plant in Springdale,Ark., is the s...Environmental Reform: The Next Generation Project
...tegies and tools for delivering more effective and efficient environmental protection. "The environmental policy debate in this country has run aground, and we intend to refloat it with fresh thinking and new directions," said Daniel C. Esty, the center's director, who has joint faculty appointments in the Ya...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...d energy searching for food. Eatingberries is more efficient than chasing insects, which are difficult to catchand less numerous in the fall. Feeding in dense, fruit-laden shrubbery ratherthan pursuing insects through open air also makes songbirds less likely to betaken by predatory falcons and hawks that also...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...his root crop on tropical farms because it is more efficient than other varieties in using soil nutrients. Scientists say the findings could help boost taro production throughout tropical parts of the world. [Contact: Ricardo Goenaga, <a href="http://www.ars-grin.gov/ars/SoAtlantic/Mayaguez/mayaguez.htm...Fast Measurement Technique Reveals Early Steps In Protein Folding
... microseconds, protein foldingseems to be about as efficient as you could imagine." In the past, researchers and theoreticians also have disagreed over theexact nature of the folding sequence: whether the process begins with aninitial random collapse of the protein structure or with the forming ofhelixes. "Th...Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...we'll probably haveto use some other method to get efficient motion in an aircraft thissmall. We may have to learn from insects and birds." Beyond basic aerodynamic techniques, severe weight restrictionsdemand new types of flight controls, power sources, propulsion systemsand avionics to fit within the 50 gr...Eating After Exertion May Be A Key To Speeding Body's Recovery
...wingfor a stable blood chemistry that promoted the efficient use of free fattyacids, Layman said. These effects, he added, are probably derived from thesoluble fiber in oats. In the post-exercise study, funded by the National Institutes of Health,rats did exhausting running exercises, leaving them with low ra...Everyday Technology Underlies First DNA Computer Logic Gates
...e conditions that allow for the most accurate and efficient DNA computation. The building blocks of all today's computers, logic gates are tiny structures that convert the endless series of binary data coursing through every computer into a series of signals that a computer uses to perform its op...Low Iron Levels Cause Weakness In Women Who Are Not Anemic
...r, the supplemented group was about 5 percent more efficient in their use of energy to perform the same amount of work. "Only one woman became anemic during the study, but in the rest of the placebo group, we saw a significant reduction in their physical performance compared with the supplemented group," Haas ...Evolutionary Advantage Found For Sex
... "In most respects, cloning is a much more efficient way ofreproduction," Zeyl says, "but if you have a whole population of organisms whoare sexual, it appears more likely that they will carry around fewer mutations.So if you combine sex with natural selection, you end up with a fitterpopulation."...UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...ce so internal combustion engines have become more efficient over the years. With the abundance of air, there h...berg is seeking a follow-on grant to design a more efficient motor that could achieve two to three miles per gallon in an optimally designed vehicle. This would ...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...ted bypeople who are insulin-resistant is not very efficient at processing glucose. Atherosclerosis is a narrowing of the artery due to build up of fattysubstances, calcium and blood clotting materials on the interior artery walls.The carotid arteries serving the brain are particularly susceptible. St...Pea Plant Stem Growth Gene Cloned
...t 1/20th the rate. Therefore, dwarf peas are less efficient at synthesizing the gibberellic acid responsible for promoting stem growth. The plant becomes growth deficient. Gregor Mendel (1822-1884), the father of genetics, conducted experiments on the hybridization of plants, particularly peas. The results ...Study Sheds Light On Behavior Of Middle-Age 'Undertaker' Bees
...g is important for the olderforagers, who get more efficient as they learn what flowers are producingnectar at what time. Not only did undertakers not improve in efficiency,Trumbo said, they also got in each other's way and slowed their efficiency. Robinson had shown previously that some bees are genetically...Computer Model Offers New Insight On Bacterial Photosynthesis
...y -- and eventually lead tothe development of more efficient and environmentally clean energy sources. In the ...ped chlorophyll aggregates of LH1and LH2 and their efficient light-harvesting function. "You can see that it is a beautifully engineered system," Husaid. "Lear...Photocatalytic Air Cleaning System Promises To Help Allergy Sufferers
...e air, cleaning an environmental surface is not an efficient way of eliminating molds. This system eliminates molds altogether." Goswami said the system has been tested successfully in medical research settings where the air in laboratories must be microbe-free. "We've tested the photocatalytic...Study Shows Hereditary Legacy Of Radiation Exposure
...eigh less than normal mice and their spermare less efficient at fertilization. Wiley suspects her fairly simple, yet exquisitely sensitive, cellularassay could be used to predict inherited effects of radiation in futuregenerations of animals. The reproductive toxicology professor is now continuingher studies ......the world or unless we create plants that are more efficient phosphorus users," says K.G. Raghothama (RAG-oh-TO... the genes involved, and to create plants that are efficient acquirers of phosphorus," Raghothama says....