Tag: "evidence" at biology news
Fruits And Vegetables Protect Lungs
...mple in the United States. But they found similar evidence
of the protective effects of antioxidants in 69 co...ce, income and cigarette smoking, provide powerful evidence
"that antioxidant nutrients play a role in maintaining lung function in adults and suggest that the ...
New Species Of Winged Dinasaur Named For Yale Professor
...ascar fossil has been hailed by some scientists as evidence
of thebird-dinosaur link, and dismissed by others who contend that the fossilizedbones must be from two completely different creatures. Adding even more fuel to the debate is the recent discovery in China'sGobi Desert of a flightless, turkey-...
Infant Dependency Drives Menopause, NSF-Supported Researcher Reports
...ty of Minnesotaecology professor Craig Packer says evidence
from lions and baboons points tomenopause as a sim...independence. Packer said that he found no evidence
that menopause frees older femalesto help younger females raise offspring. Such behavior should res...
Jefferson Scientists Link Some Cases Of Scleroderma To Damage From Lingering Fetal Cells
...efferson University in Philadelphia, have found evidence
suggesting that fetal cells bringing about graft-versus-host-disease (GVHD) reactions may be involved in some cases of systemic sclerosis, a form of scleroderma, an autoimmune disease. Systemic sclerosis strikes about three to eight times...
Scientists Find Further Global Warming Evidence In Temperature Reconstruction Study
...iences, whichfunded the research. "The balance of evidence
now firmly supports an importanthuman influence on the global climate system. This is a serious problem forpeople everywhere, and it needs to be addressed at all levels of government." The researchers were able to estimate temperatures over ...
New Study Shows Group Of Marine Bacteria Dominate Offshore Waters Of Southeast, May Play Key Role In Ecosystem Processes
ATHENS, Ga. -- Scientists have found increasing evidence
that the earth'soceans may be in serious trouble. ...e tag. Moran and Gonzlez found preliminary evidence
that a cluster of marinebacteria may be particularly important in coastal seawater of the southeaste...
Earlier Human Speech?
...ical Center anthropologists haveoffered anatomical evidence
from skulls suggesting that human vocal abilitiesm... time than is suggested by the firstarchaeological evidence
for speech. The scientists measured the pencil-sized "hypoglossal canal" -- whichcarries the...
Early Restoration Of Blood Flow Following A Heart Attack Shown To Improve Long-Term Survival For Patients
...he heart. The researchers say their study provides evidence
strengthening theneed for early arrival at a hospital for treatment that can greatly improvechances for a good recovery. "Successful early reperfusion provides patients with an advantage thatcontinues to increase well beyond the first month after a ...
Despite Odds, Little Known Grauer's Gorillas Persist In Central Africa
...said. Even within protected areas, the team found evidence
of poaching. In Kahuzi-Biega NationalPark, for example, at least one individual in each of the tourist habituated groups had lost ahand to snares. According to the study, recent reconnaissance indicates that many gorillas werekilled immediately follo...
Bears Cubed: Virginia Tech Studies Three Bears, And Three Bears, And Three More Bears
...ainsome protein. "What would you think is the only evidence
left of this process?"Vaughan asks. "The tiny claws are the only parts that she does not digest andthat get passed through her intestines." "Black bears are one of nature's few real hibernators," Vaughan points out."That is, they do not eat, drink, u...
Yerkes Primate Research Center Of Emory University Reseachers Find Hunger Regulated By Novel Neurotransmitter
...use," explains Dr.Lambert. To further support the evidence
that CART plays a major role in influencing appetite, Dr.Lambert found that CART interacts anatomically and functionally with a substance calledneuropeptide Y (NPY), a neurotransmitter known for years as a strong hunger stimulant. "Wemay be completin...
Social Stress Shortens Lives Of Monkeys With AIDS
...rtners and close friends. "Our data provide strong evidence
that such stresses can have an impact on the course of the disease itself." The new study appears in the April 14 issue of the journal Proceedings of the National Academy of Sciences. It was inspired in 1991, when Capitanio and a UC Davis colleague,...
A Cup Of Tea May Protect Against Skin Cancer
...tralia for the first time to discuss the emerging evidence
surrounding the potential health benefits of tea. Other research to be presented at the Symposium includes tea and the possible role it may play in protecting against cardiovascular disease, in addition to potential prevention of other forms of c...
Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
from the largest evolutionary study of gene sequen...ks that old. "There has notbeen enough convincing evidence
until now for paleontologists to invest theirtime and money looking for mammal fossils in a time bef...
Do Termites Use
...aphthalene, he points out that there is no direct evidence
of naphthalenebeing made by any animal or microorganism. Since termites use soil, masticatedwood, and excrement to make their nests, one possible source is in the processedfood of the termites or the soil, Henderson speculates. Another possibleorig...
Interdisciplinary Method Offers New Way To Study Ribozymes
...a hammerhead ribozyme. "Our results provide clear evidence
for inner-sphere coordinationof metal ions to the non-bridging sulfur at the cleavage site," Lusaid. "More importantly, our results further show that this directcoordination is responsible for mercury's ability to support phosphorothioateribozyme ac...
Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists
... and bird development. "We amassed as much evidence
as we could about the temporal relationshipbetween nutritional stress, brain development and the timing of song-learning,"Nowicki said. "And, we believe we show that this overlap is really quite good,revealing a mechanism by which song quality could ...
Ulcer-Causing Bacteria Also May Be Associated With Heart Disease
...teria strain.In their study, the researchers found evidence
of the bacteria in 62 percent ofpeople with heart ...heart disease, but he adds that there isincreasing evidence
that several chronic infections are associated with thedevelopment of atherosclerosis in otherwise h...
Some AIDS Patients May Show Resistance To Sulfa Drugs
...e a recent occurrence. The research team found no evidence
of mutations in any of the samples prior to 1995. Sulfa targets pneumocystis at the genetic level, interrupting the synthesis of folic acid, which is responsible for cell division....
Reports Mesh To Clarify Proteins' Importance For Cancer
...d repair gene damage. The findings provide direct evidence
for the cause of a genetic disorder thatgreatly increases the risk of cancer, called Nijmegen Breakage Syndrome (NBS),as well as broader insights into a fundamental system that can lead tomalignancy when it fails to function properly. The Wisconsin ...
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