Selenium Supplements Can Reduce Cancer Rates
...rtality rates across all the clinics gives us even greater confidence in these findings." Prostate, esophageal, colorectal and lung cancer rates were among the most dramatic: patients in the selenium group had 71 percent, 67 percent, 62 and 46 percent reductions in cancer rates, respectively, than the placeb...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...rease in zooplankton. The bottom-up processeshad a greater impact on algae growth than the top-down processes. "Both played a role, but nutrients had a bigger impact on algal biomass,"Brett said. The science meta-analysis paper by Brett and Goldman also casts doubt uponthe universal nature of a popular mod...Bigger Biology Tackled Through Keyboards
...y and virology. "Math and computation are playing greater and greater roles in addressingcontemporary biological problems," says Simon Levin, director of thePrinceton Uni...High Levels of Vitamin C Prove Toxic to HIV
...the healthy cells, the HIV-infected cells: have greater numbers of specialized cell-surface receptors thro...osure to high vitamin C levels more than 20 times greater than normal decreased replication of the AIDS virus and was generally more toxic to HIV-infected ce...Corn Byproduct Shows Promise As Biodegradable Packaging Material
...ncial sense. We need to beable to obtain zein in a greater quantity." As part of the overall effort, U. of I. food scientists have developeda process to manufacture biodegradable plastics from corn gluten meal. Theprocess involves melting the zein with fatty acids to produce moldable resins.When disposed of...Purdue Study Aims To Boost MRI Capabilities
...agnetic coils to produce pulsed magnetic fields of greater intensity than can be applied in a commercial magnetic resonance imager. This system, developed at Purdue over two years, will allow the group to manipulate and measure tiny changes in the timing and intensity in gradient fields. The study, overseen ...Supelco Licenses ORNL Solid Sorbent Air Sampling Material
...he sol-gel material, "the newproducts will give us greater selectivity in sampling a wider array ofmaterials because it allows us to achieve lower limits of detection thanwere once possible," said George Wachob, Supelco's manager of research anddevelopment. The ORNL air sampler comprises a tube containing a ...Ozone 'Chat Room' Provides Real-Time Air-Quality Research
...ys Husar. "There is always a pool of ozone in the greater Ohio River Valley -- roughly from Illinois to western Pennsylvania -- and when the wind blows from the Midwest toward the east, neighboring areas receive higher doses. The data are very clear on that." Another observation: Compared with weekdays, o......re than a negligible risk. As GMOs do notpose any greater risks to human health or the environment than plan...nsequenceof this policy will, without question, be greater public exposure to syntheticchemical pesticides in the coming decades." "If it can't be supp...Resistance To Leptin Contributes To Obesity
... leptin doses of 5 micrograms per hour, a 10 times greater dosethan required to achieve a maximum response in the lean mice. The DIO micelost weight when give injections of leptin, but were less sensitive thanthe lean mice. Also, the DIO mice fed the regular diet had a greaterresponse to high doses of inje......gery andother hospital procedures also are showing greater drug resistance. Dr.Baltimore said the problem has been exacerbated by the availability ofantibiotics without prescriptions in many parts of the world. Restoring Drug Sensitivity To restore the sensitivity of E. coli bacteria to either ch......innumber to 50 or even 100, with earlier onset and greater severity of theparticular disease linked to higher numbers of the trinucleotide repeats. Thecause for the increased repeats is not known. Now, scientists have discovered that the proteins with glutamineexpansions, which appear to function wel...Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...hat could swim faster, grab tighter and fight with greater effect dominating the ocean environment and conquering new ones like the land. During the Cambrian, animals got bigger and more diverse, but those changes did not require new genes. The techniques being pioneered by Carroll and others are op...Study: Device Prevents Epileptic Seizures, Doesn't Damage Hearts
...ut 30 percent of patients studied nationwide had a greater than 50percent reduction in the number of seizures they suffered, Vaughn said. A fewhave become free of seizures since the device was implanted, and some who hadthe same number as before reported their seizures were shorter or less severe. Th...Female Adolescents Need Calcium During 'Window Of Opportunity'
...ause bones to become thin and weak, resulting in a greater chance of fractures and other injuries. In severe cases, osteoporosis also can cause a person's shoulders to round and the upper back to deform, resulting in the unfortunately familiar dowager's hump. Osteoporosis affects 35 million Americans -- near...Oaks' Defenses Help Gypsy Moth Caterpillar Fend Off Virus
...e caterpillars will spread faster and could pose a greater threatto the forests if these caterpillars are not controlled. "The ideal approach for controlling both pests would be to add somethingto the virus spray that would disarm the tannin and make the caterpillarssusceptible to the virus," says A...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...ican Americans, especially givenAfrican Americans' greater propensity for strokes. "That's a great mystery," hesaid. "Science sometimes raises more questions than it can answer." Because of the high correlation the study found between diabetes andinsulin resistance, the research is especially signifi...Jefferson Scientists Find Potential Deadly Effects Of Two Missing Cancer-Suppressor Genes
...that normally protect against cancer may play a greater role than previously suspected in female develo..., the likelihood of cancer development would be greater still. P53 is the most common known genetic defect in human cancers. It may contribute to t...One Chimp Can Perceive States Of Awareness In Others
...ity to warn each other. The stronger that bond,the greater the warnings the animals gave. Boysen's work is supported by grants from the National Institute ofMental Health. Written by Earle Holland, (614) 292-8384; Holland.8@osu.edu...Researchers Find Association Between Alzheimer's Gene And Mental Impairment After Cardiac Surgery
...t is probably thatmore well-educated people have a greater functional reserve of brain cells,have more experience in test-taking, and may have developed more alternativeneurological pathways," Newman said. While these findings do not explain every case of cognitive decline followingheart surgery, Newman sai...