Tag: "failing" at biology news
Human-Like Ability, Categorical Perception, Found In Insects
... at least the company of other crickets. However, failing
to steer away from bats' ultrasound could cost the cricket not only its life but its place in the gene pool, explained Ronald R. Hoy, the Cornell professor of neurobiology and behavior whose laboratory conducted the experiments. Researchers led by H...
Environmental Impact Statements Need To Be Made Easier To Decipher
...tively, the researchers noted. "These are clearly failing
marks," Sullivan said. "The understandinglevel achieved by this document was nothing less than awful. The resultsstrongly say the situation is tremendously ineffective and needs considerableattention." Reporting in a recent issue of the Environmenta...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...tality is starvation, often the result of a parent failing
to return from a long foraging trip in time with food, " says Boersma. For the past 15 years she has been following the fortunes of the roughly half million birds at a 500-acre reserve at Punta Tombo, the largest penguin colony on the South American ...
Corn Rootworm Changing Behavior, Posing New Threat To Crops
CHAMPAIGN, Ill. -- Crop rotation is failing
as a defense against Westerncorn rootworms in a growing number of Midwest fields. The beetles haveadapted, are spreading and pose a threat to corn crops this year, scientistssay. As the major insect pest of corn, rootworms have changed their behavi...
Scientists Seek Early Warning Of Drinking Water Threats
... to worryabout," he says. "But the consequences of failing
to remove pathogens can bevery large. We want to ensure there is minimal risk of public exposure."...
Possible Trigger For Heart Failure Identified In Lab Animal Studies
...inresponse to the molecules' errant assault on the failing
human heart, Bristowwrites. Co-authors with Bryant in Dallas are Lisa Becker, B.S.; JamesRichardson, D.V.M., Ph.D.; John Shelton, B.S.; Fatima Franco, M.D.; RonaldPeshock, M.D.; Marita Thompson, M.D.; and Brett Giroir, M.D. Mann's c...
Pollution, Food Stress Take Toll On Bald Eagles
...find outwhy an alarmingly high number of nests are failing
to produce healthy chicks. The area of concern lies just south of the Crofton pulp and paper mill,and is part of a zone closed to fisheries in the 1980s due to high levels ofdioxins -- toxic byproducts of the pulp bleaching process. Although...
Molecular Key To Heart Failure Development
...do so by blocking an enzyme known to beelevated in failing
human hearts. In a report in the June 9 issue...a-adrenergic receptor kinase (BARK) is elevated in failing
human hearttissue. This enzyme uncouples or "turns off" cardiac beta-adrenergic receptors,making les...
Circulatory Device -- A Bridge To Recovery For Heart Failure?
...(LVAD) which takes overmost of the pumping for the failing
heart. The researchers found that LVAD support reduced the workload of the failing
leftside of the heart (the ventricle) to such an extent that some heart muscle cellsrecovered their ...
Transplanted Skeletal Muscle Mimics Heart Muscle; Helps Failing Heart Pump, Duke
...ch better. The treatedheart was not as rigid as a failing
heart." Taylor said her research team, which also included surgeons Dr. DonaldGlower and Dr. Zane Atkins, cardiologist Dr. Willam Kraus, and researchersPinata Hungspreugs, Thomas Jones, Mary Reedy, and Kelley Hutcheson, hopes totest the thera...
American Society Of Animal Science Recognizes Global Scope Of Virginia Tech Researcher's Work
.... We also stand the chance of thatintroduced breed failing
in an environment to which it is not suited." Notter's specialty is the genetic management of beef cattle and sheep.The underlying theme of this work has been the genetic control of reproductivetraits with the aim of developing trouble-free a...
Wisconsin Scientists Culture Elusive Embryonic Stem Cells
...grown in the laboratory and then used toregenerate failing
tissue," said Thomas Okarma, Geron vice president forresearch and development. "Because these cells do not age, they could be used togenerate virtually a limitless supply of cells and tissue for transplantation." While the Wisconsin scientists have b...
University Of Chicago Professor Wins $50,000 Bristol-Myers Squibb Award For Distinguished Achievement In Infectious Disease Research
...tingly passing HSV from infant to infant simply by failing
to wash theirhands between handling children. His study demonstrating this led directly to achange in hospital practices and a dramatic decrease in HSV transmission inmaternity wards. With the advent of recombinant DNA technology in the earl...
Duke Scientist Reports Advances In Gene Therapy For Heart Failure
...t and showing which onesaren't doing their jobs in failing
hearts. Using mouse models and sophisticatedgeneti...ies subsequently showed that B ARK is elevated in failing
humanheart tissue. In 1994, Duke researchers showed that mice genetically altered toproduce...
Immunex And Wyeth-Ayerst Laboratories Advance Enbrel Into Phase II/III Clinical Trial For Chronic Heart Failure
...osis, rheumatic fever or heart muscle disease. The failing
heart keeps working, but becomes inefficient, resulting in fluidretention and shortness of breath, fatigue and exercise intolerance. Thecondition often progresses and becomes irreversible. ENBREL has been approved by the U.S. Food and Drug Administ...
Survival Of The Yellowstone Grizzlies, Ferns As Forest Filters And The Role Of Worms In Climate Change: The April Edition Of Ecology Is Now Available
...in trouble, say the authors. The pine crop is now failing
almostevery other year, and widespread suppression of fires has also been detrimentalto its health. Global warming may also pose a threat to the tree species. People also cause bear mortality in both direct and indirect ways, theresearchers assert. H...
Gene treatment can boost heart function in rabbits, Duke researchers say
...ernal substances suchas hormones. In reacting to a failing
heart, the body releases large amounts of the horm...t contractions after norepinephrinestimulation. In failing
hearts, however, ßARK levels rise and the number of ßARsis greatly reduced. In 1...
Heart transplant surgeon at Cedars-Sinai specializes in implanting mechanisms that allow a defective heart to rest while awaiting a transplant
...hanisms that provide a"bridge to transplant" for a failing
heart. Alfredo Trento, M.D., chairman of the division of cardiothoracic surgery, saidDr. Magliato's surgical skills, research interests and transplant experience area welcome addition, particularly as the heart transplant and ventricular assistprogr...
Unveiling all of the consequences: Introduced plants may be causing hidden trouble
...ght-filled years of the Dust Bowl, when farms were failing
and the local prairie grass was producing scant fodder for cattle. Farmers discovered that the wheatgrass was hardy, produced good hay, resisted drought and overgrazing, and had a long growing season. It was so successful that ranchers and governmen...
Science and Amersham Pharmacia Biotech award Young Scientist Prize
... the way towards the development of drugs that aid failing
memory or treat certain neurological disorders. His work looks at calcium flows into nerve cells following electrical brain activity, and how this activates the different chemical pathways that jump-start the genes underlying the memory process. Curr...
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