Tag: "percent" at biology news

Selenium Supplements Can Reduce Cancer Rates

...en taking selenium supplements for 10 years had 41 percent less total cancer than those taking a placebo, a n...cancer patients were chosen because they have a 25 percent annual chance of a recurrence, and skin cancer is easy to diagnose and can be quickly treated. The ...

Bottom-up Ecological Processes Better For Clear Waters, Study Finds

... of the small food webs in the studies caused a 75 percent decreasein zooplankton biomass and an 80 percent increase in algae biomass. Addingnutrients to the bottom of the food webs resulted in a 180 percent ...

ORNL Finds Common Genetic Cause For Epilepsy, Migraine

...ore common migraine, which affects an estimated 24 percent of women and 12percent of men. Funding for this research was provided by DOE's Office of Health andEnvironmental Research....

Birds Deal With "Cocktail Party Effect"

...yaccurately chose the correct species more than 80 percent of thetime, well above the 50 percent that would be expected from purechance decisions. When paired songs were mixed with the dawn ch...

Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders

... 24 healthy children. Theresearchers found that 85 percent of the children with strep-associated OCD andtics and 89 percent of youngsters with Sydenham's chorea were D8/17 positivecompared to 17 percent of the healthy childr...

Molecular Imposter Rebuts Long

...that biochemists have thought critical to the99.99 percent accurate pairing of bases in DNA. "It now appears that the shape of the DNA bases may be thechief mechanism by which DNA-replicating enzymes selectthe right bases to insert into a growing strand," Kool says. "Theenzyme might form a tight pocket ...

Eating After Exertion May Be A Key To Speeding Body's Recovery

...rs for complete recovery, although they attained60 percent of their recovery in an hour. "No one has really focused on the issue of post-exercise food consumption,"Layman said. "If we can shorten recovery with dietary treatment afterexercise, then obviously we could enhance performance with it."...

Malnutrition Impacts Longevity Of Females More Than Males And Shows Gender Differences In Fruit Flies

...cy, their life expectancy plunging by more than 26 percent comparedto only a 6 percent reduction among males. This, in effect, reversed thenormal life span advantage of females over males...

Research At New England Universities And Industries Facing Uncertain Future Under Proposed R&D Reductions

...d upon the federal government for an average of 67 percent of their research dollars. On average, the nation's universities receive about 60 percent of their funding from federal R&D programs. "New England universities rely heavily on funds from fed...

Pacific Northwest's High-Tech Industry Faces Uncertain Future Under Proposed Cuts To Federal R&D Programs

...ns in civilian R&D spending of as much as 25 to 33 percent by the year 2002. The President's most recent (FY... on the federal government to finance more than 80 percent of its research. In FY 1994, it received $278 million for federal R&D, placing it second in the nat...

President's Budget Proposal Cuts R&D By 14 Percent By 2002

...d budget by the year 2002. Following a 3.3 percent reduction in R&D spending over the past three year... will cut federal R&D spending by an additional 14 percent (in inflation-adjusted dollars) by 2002. Two years ago, Congress proposed a 33 percent reduction in ...

Erodible plastic microspheres could be effective oral drug delivery system

...could beexplained by intestinal uptake of up to 47 percent of the microspheres afterfeeding. Usually, when dicumarol is administered orally, very little of it isabsorbed. In the study, the dicumarol also remained in plasma for much longerperiods than other forms of the drug orally dispensed to the animals, r...

Overweight Cats Risk Disease And Premature Death, Cornell Study Finds

... funded the first study, which found that about 25 percent of cats brought to veterinarians are overweight: 20 percent were ranked as "heavy" by veterinarians and 5 percent were considered "obese." Slightly more pet ow...

Scientists Urge Further Study Of Alarming Coral Reef Decline

...enyou go to the Galapagos Islands, for example, 90 percent of thecorals are gone. This is incredible." Theories to explain what is causing the decline in coralreef health cover a wide range of possible natural and man-causedscenarios. Some scientists have implicated higher seawatertemperatures, presumab...

Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA

...imated 41,800 deaths. Prostate cancer rates are 37 percent higher for black men than white men. Between 1980 and 1990 prostate cancer incidence rates increased 65 percent, largely due to improved detection. A free fact sheet on prostate gland changes, "Prostate Problems," is available by calling the NIA Inf...

Virus May Be Linked To Obesity -- Early Findings Hint At Relationship

...ng that its prevalence inthe United States rose 30 percent between 1980 and 1990, affecting morethan 33 percent of the population. "This increase is the type of patternthat might occur with a new infectious disea...

Purdue Researchers Prod Plants To Clean Up Pollution

...e grown tobacco seedlings that take up more than 1 percent of their dry weight in strontium. If they can find ways to increase the percentage, they could create super-plants that would more quickly pull large quantities of strontium out of contaminated soil and water. Their work would supplement ongoing comm...

University Of Washington Discovery May Point The Way To New Treatment For Hepatitis C Cases That Do Not Respond To Interferon Therapy

...inant alpha interferon, is ineffective in 60 to 80 percent of cases. "This discovery explains the mol...merly called non-A, non-B hepatitis. Some 20 to 40 percent of people coming to inner-city hospitals have the virus, as do about 80 percent of intravenous drug ...

New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines

...e limits of protection. Despite that huge dose, 70 percent of the cows remained free of the virus." Letchworth also tried the conventional approach in which he injected the vaccine into muscle. When he challenged those cattle with the virus, the vaccine did not protect them. They became infected with BHV-1 ...

Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater

...gh one of these bacterial zones removed between 83 percent and 86 percent of the TCE, according to the monitoring data. The net result was to reduce the concentration of TCE ...

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