Computing device to serve as basis for biological computer
...f biomolecular machines, the actualcomputer could possibly be built from biological molecules, so that it would measure about 25 millionths of a millimeter in length, roughly the size of aribosome. The Computer and the Ribosome In fact, Prof Shapiro designed the mechanical computer with the ultimate go...Agronomists offer alternative approaches to gulf pollution
...gplanting. Turco says that this drainage system is possibly a conduit betweenMidwestern fields and the Mississippi River. "With tile drainage you possiblyhave a direct avenue for drain water to enter surface water." Turco points out that although tile drainage systems are a great benefit tofarmers in ...Scientists grow blood-producing stem cells outside the body
...e animals are walking around ashealthy as they can possibly be. We can't find anything wrong with them," saysDr. Stephen Bartelmez, assistant professor of pathobiology at the UW School ofPublic Health and Community Medicine, and a principal investigator at theSeattle Biomedical Research Institute. "The implic...... uncovernew factors involved in T cell activation, possibly leading to novel drugs fortreating autoimmune diseases, organ transplant rejection, AIDS or cancer. The researchers also included Andrey S. Shaw, M.D., associate professorof pathology, who developed a theoretical framework for immunological sy...... the space station and longer manned spaceflights, possibly to other planets. The problem is that plants -- an important source of food and oxygen anda means of recycling carbon dioxide -- aren't ready for the weightless conditionknown as microgravity. "A root always grows down, a process kn...Congress briefs: International congress on ecosystem health
...de datarelated to groundwater contamination by the possibly carcinogenic gasolineadditive known as MTBE. Fogg notes that, as of last September, MTBE had beenfound at levels ranging from 0.5 to 20 mg per liter at 55 percent ofCalifornia's leaking underground fuel sites. At that time, 35 of nearly 3,000public...Astrobiologist to hunt small game in Siberia
...nt and stillviable microbes may be of Miocene age, possibly more than 8 million years old. "I am also very interested in pingos," Hoover continued. "We have seen evidenceof pingos in images of Mars from near the polar ice caps." Pingos are soil covered ice mounds that resemble volcanoes. They are formed asice...U-M scientists identify genes that make blood "thicker" and more likely to clot as we get older
...IXearly in life died at an abnormally young age -- possibly from thromboticdisease. In ongoing studies, U-M scientists now are trying to determine theexact cause of death. Mice whose DNA included the AE5' element, but not AE3', produced high levelsof Factor IX similar to normal human levels, but these levels ...Enzyme-based method to isolate stem cells from umbilical cord blood shows promise
...regrow a person's blood supply, thetechnique could possibly improve success rates and reduce complications of stemcell transplants. Certain diseases, such as leukemia, or medical treatments,like high-dose chemotherapy, can harm blood cells. As a result, new blood cells-- such as white cells (the body's immu...Statement on discovery of the gene for narcolepsy in dogs
... well-being and ultimately should helpus treat and possibly prevent many other sleep disorders as well....Scientists image key steps in bacterial infection
...it wouldforsake its chaperone for another subunit, possibly with the usher's help. The subunits, like other proteins, begin as long chains of amino acids that foldinto 3-D shapes. According to the thermodynamic hypothesis of 1972 Nobel-prizewinner Christian B. Anfinsen, Ph.D., the 3-D shapes of proteins are d...Geologists at UNC-CH discover state's 'most spectacular' fossils
...ted the early dinosaurstoo, but then went extinct, possibly because of climate change and a globalcatastrophe such as a comet impact. Dinosaurs then got bigger, dominated mammalsand went extinct themselves about 65 million years ago." Because it has not been published yet, Carter cannot disclose thepr...Even in the Amazon jungles, treatment for heat exhaustion is the same as it is right here at home
...it's a good idea totake along plenty of fluids and possibly a doctor or two. "It's hot and very humid. It's hard to get a good evaporative cooling processgoing," says Mary L. Hardy, M.D., director of the Integrative Medicine MedicalGroup at Cedars-Sinai Medical Center, a program that integrates Western medica...UI research team discovers new genes involved in the spread of breast cancer
...and biochemicalbasis of tumor cell progression and possibly contribute to identifying newtherapeutic targets for disease intervention." Members of Hendrix's UI research team who contributed to this study include:Dawn A. Kirschmann Ph.D., assistant research scientist; Elisabeth A. Seftor,Ph.D., senior research...Trouble for the world's turtles
...pecies only discovered in the last two decades are possibly extinct dueto high demand. Vietnam, Bangladesh and Indonesia are exporting large numbers ofturtles to China and this unsustainable trade now seems to be extending to othercountries as well. Indeed, well over 7 million turtles of several species areex...Study details genetic basis of aging -- and how it might be delayed
...body'sability to repair damaged proteins declines, possibly as a result of shrinkingcellular energy levels. "Taken as a whole, our results provide evidence that during aging there is aninduction of a stress response as a result of damaged proteins and othermacromolecules," the Wisconsin scientists write in S...... controlled if the diagnosis is made early inlife, possibly preventing deaths due to these disorders."...'Knockout' mouse may lead to major understanding of human kidney disorder
...t has provided us withvery specific strategies for possibly determining the cause of the humancondition and ultimately designing a treatment for it." IgA nephropathy is the most common primary kidney glomerular disease inthe world. In the U.S., more than 3,000 cases occur each year, explained thestud...Mercury can jump barrier that keeps toxins out of brain
...said Rouleau. "Thus, mercury andother toxins could possibly accumulate in human brains via nerve transport."Earlier research has shown that manganese, cadmium and mercury can be takenthrough the nasal mucosa of rodents and transported to the brain through theolfactory nerves. The study's other main investigat......more slowly thansusceptible bollworms. This could possibly knock out random mating and dilutethe insect's resistance in the field. "We hope that the take-home message won'tbe converted to another premature claim that Bt crops are doomed," Shelton andRoush say in their commentary. Since the release of the mo...