Tag: "years" at biology news
Weed gave up sex long ago
...sex and startedself-pollinating at least a million years
ago, said plant geneticists led byMagnus Nordborg,...sted that selfing evolved on the order of amillion years
ago or more, and perhaps soon after the evolution of thespecies itself. In their Nature Genetics ...
Lost forest yields several new species
...much of the Congo Forest block for at least 10,000 years
and as a result contains some new interesting species, said WCS researcher Deo Kujirakwinja, one of surveys participants. There is a real need to protect this forest and carry out more research in the area. The Democratic Republic of Congo has expe...
Link between sunspots, rain helps predict disease in east Africa
...ecially rainy seasons are likely to occur, several years
in advance." "These results are an important step in applying paleoclimate analyses to predicting future environmental conditions and their impacts on society," said Dave Verardo, director of the National Science Foundation's paleoclimate program, ...
Argonne wins three R&D 100 awards for innovative technologies
...that happens every day at Argonne, he said. This years
winners from Argonne are: Access Grid, a piece of open-source teleconferencing software. A passive millimeter-wave spectrometer that can detect chemical signatures at distances of up to a few kilometers. An ultra-high resolution mammogra...
Indo-Pacific coral reefs disappearing more rapidly than expected
...ic and cultural role in the region for hundreds of years
and their continued decline could mean the loss of millions of dollars in fisheries and tourism ,Its like when everything in the forest is gone except for little twigs,a few lone trees Selig said. ...
AAAS analysis finds Congress would add billions to FY 2008 R&D investment
...ing sensors on NASA spacecraft could plunge in the years
ahead if current NASA budget trends continue. NASA.... NSFs Education and Human Resources budget, after years
of steep budget cuts, would soar 18% in the House and 22% in the Senate. Overall NSF R&D spending...
American Chemical Society's Weekly PressPac -- Aug. 1, 2007
...mental toxins Chemical & Engineering News After years
of frustration with traditional methods for testin...or environmental toxicology. But such tests take years
to complete, cant always be confidently extrapolated to humans, and require the use of laboratory an...
Gene variant is associated with brain anatomy, clinical course of ADHD
... a follow-up clinical evaluation an average of six years
later. Among all participants, both with and without ADHD, having the 7-repeat form of DRD4 was associated with thinner tissue in areas of the brain known to control attentionthe right orbitofrontal/inferior prefrontal and posterior parietal cortex...
Research team enlightens the reasons for severe blindness
...vailable for LCA5 gene deficiencies in five to ten years
time, says Ueffing. The affected persons urge for a faster procedure underlines Ueffing, but researchers and doctors assume a big responsibility concerning the development and implementation of gene therapies. Therefore, very high safety standards m...
UCF research links proteins, stem cells and potential Alzheimer's treatment
...en spent his entire career studying the brain. Six years
ago, he reported that brain stem cells transplanted into aged rats seemed to become functional neurons and improved age-associated memory loss, with no side effects. When Sugaya transplanted stem cells into the brains of Alzheimers-model mice, he f...
Anthrax bacterium's deadly secrets probed
...ie dormant in soil for, in some cases, hundreds of years
and then to cause a rapid, often fatal, illness when ingested by a suitable animal host. Bioterrorists have exploited this ability to deadly effect. Dr. Anil Wipat, Professor Colin Harwood, Tracy Craddock and colleagues at the North East Regional ...
Gene predicts better outcome as cortex normalizes in teens with ADHD
...or cortex, normalized in thickness during the teen years
in these children, coinciding with clinical improv...ronounced ADHD symptoms when followed-up about six years
later, compared to only 21 percent of those with at least one copy of the 7-repeat variant. There wa...
UF, French scientists seek test to detect gene doping in athletes
... WADA has had a research program in place for some years
now, to try to develop tests for gene-based doping, said Theodore Friedmann, M.D., head of the agencys panel on genetic doping and director of the gene therapy program at the University of California, San Diego. It sounds futuristic, but experts s...
Satellite tracking will help answer questions about penguin travels
... by Dee Boersma, a UW biology professor who for 25 years
has headed the Magellanic Penguin Project at Punta Tombo, Argentina, the birds' largest breeding colony in South America. "We need to know how penguins use the ocean so we can make their migration route safe through a combination of nat...
New mechanism links smoking to lung damage
...among connected cells in a tissue. About fifteen years
ago, scientists realized that some hemichannels had no partners; they led directly from the cells interior to the fluid extracellular space. In 2000, Lal and colleagues showed that cells used these channels to increase their volume, opening as necess...
Human knowledge is based upon directed connectivity between brain areas
...in processes in humans are still rare. In the last years
of research evidence has accumulated to regard the brain as a parallel system with highly specialized compartments, so that different processing stages take place at different brain sites. According to the prominent theory of neuronal synchronization...
National Ecological Observatory Network featured at ESA/SER Joint International Conference
...els. It is designed to gather data for at least 30 years
and to serve as a US terrestrial contribution to the proposed Global Earth Observation System of Systems. NEON will support the first continental-scale comparisons of research transects focused on some of the nation's most pressing ecological chall...
Beyond Mesopotamia: A radical new view of human civilization reported in Science
...d urban areas existed at the same time about 5,000 years
ago in an arc that extended from Mesopotamia east for thousands of kilometers across to the areas of modern India and Pakistan, according to Lawler. While Mesopotamia is still the cradle of civilization in the sense that urban evolution began the...
Universe's stringy birth revealed by young Czech scientist in EURYI winning project
... remained highly elusive. String theory emerged 40 years
ago as one of the most promising candidates for su...) to help him pursue his project and build on five years
of hard work culminating in the solution of an equation in string field theory that had gone unsolve...
New strategy for treating allergic disorders
...y, which is twice as many sufferers compared to 15 years
ago. Lactococcus as supplier of remedies In its natural form, the lactic acid bacterium (Lactococcus lactis) is a well-known food bacterium that has been used since time immemorial to convert milk into cheese and yoghurt. In the battle against ch...
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