UCSD medical researchers use brain cell transplants to correct muscle spasms after aneurysm surgery
...ansplanted neuronal cells. "These findings provide conclusive evidence that transplantation of well defined human neuronal cells into a specific region of the spinal cord can be an effective treatment for spasticity in cases of ischemic spinal cord injury," said the study's lead author, Martin Marsala, M.D., UC...Nitric oxide is essential for animal development
...Drosophila NOS gene. Their work provides the first conclusive evidence that NOS function is essential for the development of an organism....The blotchier the face, the better the wasp
...by their faces, report researchers. It's the first conclusive report that animals that don't signal their qualit...of such quality signals in insects. "It's the most conclusive evidence that these dishonest visual signals have a social cost," said Elizabeth A. Tibbetts, a post...Study in Royal Society journal on managing GM crops for environmental benefit
..., Dr A Qi and Dr J Pidgeon This research provides conclusive evidence that environmental benefits can be obtained from GM herbicide tolerant (GMHT) sugar beet crops. Previous work, including the government's Farm Scale Evaluation trials, suggested that GMHT sugar beet, whilst providing environmental benefits ...Racial groupings match genetic profiles, Stanford study finds
...ue of the American Journal of Human Genetics, more conclusive is its size. The study is by far the largest, consisting of 3,636 people who all identified themselves as either white, African-American, East Asian or Hispanic. Of these, only five individuals had DNA that matched an ethnic group different than the ...'Hobbit' fossil likely represents new branch on human family tree
...rain structure was there -- but they can't give us conclusive proof of a negative -- that a brain structure was not there," explains an author of the study, Charles Hildebolt, Ph.D., associate professor of radiology at Washington University. Lead author Dean Falk, Ph.D., the Hale G. Smith Professor and chair of...PNAS highlights for the week of April 11 - 15
...y, and this report lays groundworkfor larger, more conclusive studies with cloned animals. *Humans, Not Climate Change, Likely Cause of Elephant Extinctions When early humans migrated out of Africa, they hunted elephants to extinction on five continents, archaeological evidence suggests. A million years ago,...Multiple sightings of long-lost woodpecker reported
... the forests between 1880 and the 1940s. The last conclusive sighting of an ivory-billed woodpecker in continental North America occurred in 1944, although anecdotal reports have continued to this day. Reports from the 1980s of a subspecies of ivory-billed woodpecker in Cuba are widely accepted as valid, thoug...Female butterflies go for sparkle -- not size -- when choosing to mate
...re approximately half of one millimeter. The most conclusive finding resulted when the researchers painted the white pupils in male eyespots on the dorsal side with a plant extract, rutin, which maintained the pupils' whiteness, but eliminated their ultraviolet reflectivity. "When there was no UV reflectivity,...MIT develops 'Anklebot' for stroke patients
... belief that this works, but our research provided conclusive objective evidence," said Hogan, who is director of MIT's Newman Laboratory for Biomechanics and Human Rehabilitation. The researchers have also been creating other machines focusing on different parts of the body. These include one for the spatial m...Tiny roundworm's telomeres help scientists to tease apart different types of aging
...a few years. Nobody yet knows why. But now we have conclusive evidence that telomeres alone do not dictate aging and lifespan," says Karlseder. Each time a cell divides, its telomeres get shorter, a process called replicative or cellular aging. Some have likened this progressive erosion of telomeres to a geneti...More animals join the learning circle
.... But the evidence from killer whales is much more conclusive because the process was observed from start to finish. Some researchers have suggested that many purported examples of cultural transmission can instead be explained by individuals discovering the skill on their own rather than following another's le...Charting the path of the deadly Ebola virus in central Africa
...trength of the individual lines of evidence is not conclusive when considered separately, taken together, they support the view that ZEBOV is spreading as a wave from the first epidemic in Yambuku, Gabon. Following its current course, ZEBOV may hit populated areas east of Odzala National Park within 12 years an...Bone marrow stem cells may heal hearts even years after heart attacks
...and involved only 18 patients, it does not provide conclusive proof that the technique is effective. However, he noted that the results of large randomized, double-blinded clinical trials are expected soon....New analysis shows three human migrations out of Africa
...he minus 17th. In science, you don't get any more conclusive than that. It says that the hypothesis of no interbreeding is so grossly incompatible with the data, that you can reject it." Templeton's analysis is considered to be the only definitive statistical test to refute the theory, dominant in human evolu...Seagrass is in decline worldwide, says UNH researcher
...ring seagrass, it's declining," he says. And while conclusive global results are not yet available, Short is fairly certain the causes are consistent around the world: human impact. At a state park in Malaysia, for instance, SeagrassNet has charted a decline since 2001 at both a "pristine" site and a less prot...The unseen impact - could adult diseases be caused by food and chemicals before birth?
...for an adult might not be for a child. However, no conclusive link has yet been made and we hope that this study will finally do that." The women will have blood and urine samples taken and fill in questionnaires on their diet, lifestyle and habits and the environment in which they live. Following the birth, a ...Acid rain causing decline in sugar maples, say researchers
...bounded dramatically. The study provides "the most conclusive evidence to date" that the decline of sugar maples is linked to the effects of acid rain produced by human activity, said Timothy Fahey, professor of forest ecology at Cornell and co-author of the study, which is published in the May issue of Ecology...Tips from the journals of the American Society for Microbiology
...as a source of human microsporidiosis, but nothing conclusive has been proven. In the study researchers examined feces from 570 free-ranging, captive, and livestock birds for microsporidian spores known to infect humans, mainly Encephalitozoon hellum and Encephalitozoon intestinalis. Out of eleven avian spe......alues list have also been assigned to group D, "No conclusive evaluation possible at this time". In the group of carcinogenic chemical compounds, o-toluidine, which was shown to be carcinogenic for humans, and lead and its inorganic compounds, which were shown to be carcinogenic in animal tests, should be not...