Worms will never taste the same: a new study examines how insecticides influence birds
... Red-winged Blackbirds ( Agelaiusphoeniceus ) will consistently avoid mealworms ( Tenebrio sp.) which have beeninjected with sub-lethal doses of the insecticide parathion, after only a singleexposure. Parathion is an organophosphate, one of the most widely used classesof insecticide in both industrialized and de...Study details genetic basis of aging -- and how it might be delayed
...many years, studies of several animal species have consistently shown thatreduced diets -- 25 to 30 percent less than a typical diet -- retard aging,extend life span and improve overall health in old age. The new study, Weindruch said, tends to support the idea that caloricrestriction works by slowing metabolism,...Jefferson scientists create first transgenic mouse model of hepatitis B-based liver disease
...hat had viral DNA in all of their cells. Such mice consistently replicate HBV,which is detected in their blood, throughout their lives. Although other similarmodels have been made using normal mice, none develop chronic liver diseasebecause the immune system sees the virus as -- self -- during embryonic developme...USGS Study Confirms An Urban Air-Pollution Problem At Mount Rainier National Park
...antthroughout western Washington in 1996. The park consistently had the highestaverage weekly levels of tropospheric ozone measured anywhere in the state.Ozone concentrations tend to increase at higher altitudes, partly because ofpassive dispersion from the stratosphere, but largely due to the transport ofpolluta...ASM Calls For Focus On Microbial Pollution Of Nation's Water Supply
... in the United States over the last twodecades has consistently focused on risks associated with chemical pollutantsovershadowing the significant risks posed by microbes. The Centers for Disease Control and Prevention estimates that each year in theUnited States up to 900,000 cases of illness and possibly 900 dea...Compounds From Fruits, Vegetables And Grains Slow The Growth Of Human Tumor Cells
...at have mutations known topromote cancer." Studies consistently have shown that people who eat a diet high in fruits,vegetables and grains have a reduced risk of many types of cancer, includinglung, alimentary tract, liver, pancreas, bladder, kidney, breast, endometrium,cervix and prostate. What is it about these......atients to try to abstain from sex, to use condoms consistently if they havesex, and not to have sex with people they don't know." Testing and treatment of early cases of STDs is recommended as part of astrategy that also includes primary prevention - assisting youth to delay theonset of sexual activity, and enco...Offshore DDT Deposit Spreading, Research Suggests
.... The highest concentrations of contaminants were consistently found at sites with the highest sediment concentrations. Concentrations of DDT and PCBs in the water decreased exponentially with increasing distance from the ocean floor. Utilizing equations that describe the tendency of a compound to go from bein...Bacteria Becoming Increasingly Resistant To Antibiotics, But New Vaccines Are On The Horizon
...is increasing but the degreeof resistance also is consistently becoming greater," according to Dr. Arditi.He said there is concern that clinical outcomes may decline as more strains ofbacteria become increasingly resistant. But there is hope in the near future, in the form of new vaccines against pneumococcu...Biotech Creates New Solutions And New Problems
...mites at low densities early in the growing season consistently reduced highpopulations of Pacific mites throughout the season. Willamette mites can becomepests, but are not damaging at low densities. Scientists do not fully understandhow Willamette mite releases confer plant protection, but evidence suggests the...Leibniz Prize Winners 1999 - Most Highly Endowed German Promotional Prize For Ten Scientists
...file in the chemistry of natural productswhich was consistently improved. The scientific work of Alois Fürstner is notonly characterised by a high degree of innovation and originality, it alsooffers a still incalculable application potential for the chemical and pharmaceutical industries. Dr. Fürstner has...Insurance Industry Discriminates Unfairly On Basis Of Genetic Information
...with known genetic disorders are not being treated consistently by insurers, says a paper published in this week's BMJ. Written by Lawrence Low and colleagues at the Wellcome Trust, the study found that only one in 20 people with no known genetic disorders encountered problems when applying for life insurance as...Memory Loss In Old Age No Longer Linked To Dying Brain Cells
...lineacross decades, as cells die off regularly and consistently from youth to oldage. While the brain demonstrates a remarkable ability to compensate for thoselosses -- forestalling any noticeable effect until the losses become, she said,"very, very profound" -- it now appears that even those neuron losses that ...Treatment With IL-2 Plus HAART Markedly Reduces HIV In Immune System "Hiding Places"
... in three patients. In contrast, theinvestigators consistently have found replication-competent HIV inperipheral blood resting CD4+ T cells from each of 12 patients whoreceived HAART alone. The researchers then performed a lymph node biopsy on one of the threepatients treated with IL-2 plus HAART in whom no vir...School Breakfast Participation Leads To Academic, Psychosocial Improvements
...eries of studies shows that those children who are consistently hungry aremost likely to do poorly in school and in other aspects of their lives." The study was supported by grants from the Kellogg Company and the Mid-AtlanticMilk Marketing Association. Additional study co-authors were Maria Pagano, EdM,of North......ted on earth, the microgravity grown crystals were consistently and significantly larger, and substantially more defect free. This is the first experiment to produce space crystals by multiple methods, both suggesting the same conclusion: crystals grown in microgravity can be significantly improved in their x-ray...Additional Genetic Influence For Alzheimer's Disease Confirmed
...which the presence of the gene for these disorders consistently results inhaving the disease, Alzheimer's disease is complex and involves multiplefactors, much like cardiovascular disease. "It's too early to say whether or notthe gene on chromosome 12 can be used to predict a person's susceptibility tothe disease...Who Needs Flowers? Transgenic Plants Sprout Embryos On Leaves
...sired traits.However, these hybrid offspring don't consistently pass thosequalities down to their offspring. But embryo farming could produce "artificial seeds" thatwould all be clones of the hybrid parent and perpetuate itsstrengths, said Harada and another author of the study,biologist Bob Goldberg of UCLA. "If...UF Researcher's Innovative Fence Helps Control Sand Flies
...e the fence onthe playground. The playground traps consistently have a lower sand flycount. Day also turns the fence off periodically to do bite counts, whichalways go up when the fence is not operating. Day said he hopes for along-term impact on the overall sand fly population after the fence hasbeen running for...Survey Shows Students Turning To Physicians Less As Drug Abuse Increases
...th. They are getting that message butobviously not consistently enough based on this data." These results were compiled by Diagnostics Plus, Inc. of State College,Pa. Kettl is also the chief of psychiatry with the Penn State Geisinger HealthSystem in Hershey, Pa. **hmc** Contacts: Leilyn Perri ...