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Tag: "claim" at biology news

Researchers identify target for cancer drugs

...pecies as diverse as flies and humans supports the claim that the mTOR/rictor complex is indeed a missing piece of the puzzle. According to Sarbassov, "If we find a molecule that can block the mTOR/rictor complex, then we may be able to prevent Akt from becoming active and contributing to tumor formation....

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...ngivalis, is a bacterial homesteader that stakes a claim deep within the spaces between teeth and gums. It’s also the leading cause of tooth loss ?secreting proteins that destroy the soft tissues and bone that support teeth to cause periodontal disease. Now scientists have identified the thousands of prot...

Drug-resistant bacteria on poultry products differ by brand

...d producers who use antibiotics and from those who claim they do not. The study focused on antibiotic resis... other producers, Eberly and Bell & Evans, who claim their production methods are completely antibiotic-free. Using both standard isolation methods and n...

Double triumph in stem cell quest

...dult donor. He calls the new cells stembrids. His claim stunned the audience. How, asked stem cell expert Alan Trounson from Monash University in Australia, could he be sure that the stembrids contain only the genetic material of the adult donors? Verlinsky's response was that he fused male adult cells wi...

Doctors closer to using gene analysis to help trauma patients

...ngton University in St. Louis. Traumatic injuries claim hundreds of thousands of lives each year in the United States. In addition, millions of patients are hospitalized, at an annual cost to society of more than $200 billion. Patients may face a long and difficult recovery period riddled with many potent...

South African Tribunal Asks For Damages Estimates in GSK AIDS Drug Case

...vidence & arguments regarding the damages they claim to have sustained as a result of what they claim are GSK's illegal drug pricing and policies. The order also states that the parties will come back i...

How exactly does the brain control breathing?

...ntal Physiology asked each author to stake out his claim and provide rebuttals and critiques of each others' articles (recently published in Nature Neuroscience). To view this fascinating exchange of views published in Experimental Physiology- Retrotrapezoid nucleus: a litmus test for the identification ...

Neanderthal teeth grew no faster than comparable modern humans'

... teeth and other modern ones, we can't support the claim that Neanderthals grew up more quickly than do modern humans," she said. Key to this conclusion are microscopic lines on the outside of teeth that mark the incremental growth of enamel on a young tooth. Like tree rings that can gauge the age of a r...

Out of sight, out of mind? Not necessarily

...ing takes place within the brain - a controversial claim that was advanced by the likes of Sigmund Freud and William James - our results suggest that multiple pathways relay visual input into the central nervous system for different types of processing," Ro said. "And our study also begins to shed light o...

Chernobyl: The true scale of the accident

...licized speculations that radiation exposure would claim tens of thousands of lives. But the 4,000 figure is not far different from estimates made in 1986 by Soviet scientists, according to Dr Mikhail Balonov, a radiation expert with the International Atomic Energy Agency in Vienna, who was a scientist in ...

The Antarctic Ocean floor

...st that it is not too late, given that the experts claim that many species are disappearing ?even before we know about them. ...

Researchers offer proof-of-concept for Altered Nuclear Transfer

... that this would quell the protests of critics who claim that embryonic stem cell research necessitates the destruction of human life. Scientists and ethicists have debated the merits of this approach, but so far it has not been achieved. "The purpose of our study was to provide a scientific basis for the...

Science's Breakthrough of the Year: Watching evolution in action

...ish armor? Studies that follow evolution in action claim top honors as the Breakthrough of the Year, named by Science and its publisher AAAS, the nonprofit science society. In 2005, scientists piled up new insights about evolution at the genetic level and the birth of species, including information that...

Did feathered dinosaurs exist?

...urrent theoryBiologists examining evidence for the claim that birds evolved from dinosaurs have reached some surprising new conclusions. However, they caution that "the problem of avian origins is far from being resolved." Their analysis is published online October 10, 2005 in the Journal of Morphology, pu...

Warbling whales speak a language all their own

... animal communication, although the authors do not claim that humpback whale songs meet the linguistic rigor necessary for a true language. "Humpback songs are not like human language, but elements of language are seen in their songs," said Ryuji Suzuki, a Howard Hughes Medical Institute (HHMI) predoctora...

Escapee farmed salmon infiltrate fitter wild populations

...nile salmon. These findings provide support to the claim that hybridisation with farmed escapees may alter the gene pool of wild salmon, reduce its fitness and accelerate its decline." ...

UF scientists trace origin of shark's electric sense

...ery important finding. But I'm skeptical about the claim the neural crest gives rise to electroreceptors. It still requires a definitive experiment, where the developing neural crest cells are marked with dye, the embryo develops and the dye clearly shows up in the electroreceptors." Dye tests are a class...

Silence of the amoebae

...essful, it may put an end to amoebic diseases that claim the lives of thousands yearly and afflict millions more....

UCLA scientists strengthen case for life more than 3.8 billion years ago

...any way," Harrison said. "We could have placed the claim on much firmer footing, or we could have proved ourselves wrong. We found a much more compelling cross-cutting relationship in the rocks than we originally thought." The new research is a comprehensive response to the critics, Harrison said. "We...

Polynesia explorers created worldwide web of scientific knowledge

...s of long, lonely voyages" for the fame they might claim upon their return.Their bosses, the voyage sponsors, tended to be high-ranking naval officers, ministers of state or monarchs ?wealthy men who paid them to be reporters, but who also had their own "conceptions of truth." In such a dynamic, travelers ...

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