A dose of prions might slow the progress of prion diseases.
...possible to slow the progress of prion diseases-by adding yet more prions. Researchers at the University of ...od at infecting mice. So the team looked to see if adding normal hamster PrP to the brain of a mouse already infected by abnormal mouse PrP would affect incub...Nuts cut coronary heart disease risk
...y heart disease." The most improvement comes with adding very small amounts of nuts an ounce, or about three to four tablespoons, five or more times a week. "However, you can't simply add nuts, nut butters or nut oils to your usual diet without making some adjustments," Kris-Etherton says. "You have to...Key step in gene activation discovered
... material, they performed a series of experiments, adding into test tubes various combinations of other gene-controlling molecules--including isolated or purified parts of the Transcription Activator, Acetate Groups, the HAT complexes, and the SWI/SNF complex--to learn their roles and their order of interac...Study offers insights into evolutionary origins of life
...l template. The ribozyme can extend an RNA strand, adding up to 14 nucleotides, or letters, to make up more than a complete turn of an RNA helix. These results, described in the May 18 issue of Science, suggest that RNA could have had the ability to replicate itself and sustain life in early evoluti...Variations in food density affect calorie consumption
...content and the energy density of various foods by adding water and low-fiber fruits and vegetables. Both groups consumed 20% fewer calories on days when they were fed low-density meals, independent of the fat content of the food. No differences were noted between lean and obese subjects. An accompanying ed...Unusual source of ocean water contamination may rewrite environmental textbooks
...trying to help the environment, but we may also be adding to a wildlife population that can lead to pollution where we want to swim." The researchers found that Talbert Marsh regularly flushes millions of gallons of bird droppings into the Pacific Ocean, Grant said. Its rapid flow sweeps water from the mars...New plan to force greenhouse gases underground
...uct of petroleum production at oil and gas fields, adding to the global greenhouse problem. Now a $1 million study at Adelaide's National Centre For Petroleum Geology & Geophysics (NCPGG) is investigating ways of removing those emissions by injecting the CO2 back into the ground where it came from. The work...New peach variety has strange shape and sweet taste
...orgia state line. The UFO peach was created by adding a gene that creates extra-firm flesh to an existin...to grow the new variety. Homeowners interested in adding the fruit to their yards should find plenty in their local garden centers this winter, Sherman said....Study reveals molecular key to tumor suppressor activity
...at insuring that p53 accumulates in the nucleus by adding a phosphate to the protein. Previous research has shown that this phosphorylation process is somehow associated with p53 activation. The new study elucidates the mechanism underlying P53 activation induced by DNA damage. "We found that the additio...Research team unlocks secrets of the firefly flash
...discovered that the flashes normally stimulated by adding the neurotransmitter octopamine to firefly lanterns could be completely blocked by NO-absorbing chemicals. They then looked at microscopic structures inside the firefly lantern using special stains and antibodies to see where the NO-producing enzyme ......er on the evolutionary family tree is as absurd as adding your neighbors to your own family ancestral line simply because they share your love of the opera, according to scientists at Duke University. But the current molecular method of using mitochondrial DNA to classify how mammals evolved is so flaw...Using hard science to protect fragile seas
... invasive `killer` algae Caulerpa,`` Micheli says, adding that she and her colleagues from the University of Pisa hope to continue the long-range research project. California conflict Back in California, Micheli finds herself embroiled in another maritime conflict - this one between Hopkins Marine Station a...Genetic secrets of metal-eating plants uncovered
... would be for improved crop nutrition. "Instead of adding zinc to the soil because you live in a zinc-deficient region, why not have the wheat plant itself be more zinc-efficient so that you can reduce agricultural inputs?" Salt asks....New insight into diet and colon cancer
...s are rarely encountered in biology," says Morris, adding that fish oil and corn oil diets might create different chemical environments in the colon. To verify and better understand these findings, the researchers are now designing studies involving a larger number of rats. Though more work will be need...Enzyme increases number, size of heart muscle cells in mice
...tack as normal mice. We believe that the effect of adding TERT to an adult heart would be protection from the kind of cell death that occurs during a heart attack as well as production of bigger heart muscle cells, Schneider said. The enzyme could also be added when cells are grafted onto an injured heart, ...... in an uncontrolled fashion. Uhrich reports that adding a small amount of ASM polymer to the liposome solu...al-clear beauty products. The team has found that adding a small amount of polymer can change the liposome solution from opaque to clear, a "very desirable c......by expanding undergraduate research opportunities, adding new courses and faculty, and reaching out to the K-12 education community ( www.hhmi.org/grants/undergraduate ). The Howard Hughes Medical Institute is a medical research organization whose principal mission is the conduct of biomedical research. ...Arizona State University research finds recycling cure for used tires
...ental Engineering Assistant Professor Han Zhu says adding a small amount of the inexpensive crumb rubber to ...Zhu is not the first researcher to experiment with adding the tire bits to Portland cement concrete or PCC, he does own rights for the first "real world" appl...This is not your father's forest textbook
...incipal topics included in previous editions while adding new material on use of electronic devices for measuring distances, electronic equipment for recording field data, global positioning systems for determining locations, and geographic information systems for storing, retrieving, summarizing, and analy......stocks frequently run out, said Professor Leifert, adding that it was too early to say whether prices might come down. The potato trials at Close House research station, near the village of Heddon-on-the-Wall (by coincidence the origin of Britains foot-and-mouth epidemic), are England's contribution to a 3....