News tagged with environmental variations
Physicists Show that Correlated Environmental Variations Can Quicken Extinctions
Jan 13, 2009 |
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(PhysOrg.com) -- In general, population extinction is a natural process. For one reason or another, an estimated 99.9% of all species that have lived on Earth are now extinct. However, the reasons for a species ...
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Past child abuse plus variations in gene result in potent PTSD risk for adults
Mar 18, 2008 |
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A traumatic event is much more likely to result in posttraumatic stress disorder (PTSD) in adults who experienced trauma in childhood – but certain gene variations raise the risk considerably if the childhood trauma involved ...
Genetic predisposition increases childhood asthma risk
Aug 21, 2007 |
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Children who carry variations in specific genes that metabolize vehicle emissions are more susceptible to developing asthma, particularly if they live near major roadways, a study led by researchers at the University of Southern ...
Models simulate nitrate dynamics in Garonne, Southwest France
Jan 05, 2009 |
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The over-enrichment of fresh, transitional, and marine waters with nitrogen (N) can lead to problems associated with eutrophication, such as a change in species composition of aquatic plants and nuisance algal blooms. In ...
New gene variant identified for nondiabetic end stage renal disease in African-Americans
Sep 14, 2008 |
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Scientists at Johns Hopkins schools of Public Health and Medicine have, for the first time, identified variants in the gene MYH9 that are associated with increased risk for non-diabetic end stage renal disease (ESRD,) which ...
Denver to Barcelona: Global cities and greenhouse gas emissions
Sep 23, 2009 |
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Denver released the largest amount of greenhouse gases (GHG) and Barcelona the smallest amount in a new study documenting how differences in climate, population density and other factors affect GHG emissions ...
Under the weather: Early-life rainfall has lasting effect on Indonesian women
Other Sciences / Social Sciences
Jun 02, 2009 |
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(PhysOrg.com) -- Indonesian women born into rural communities in rainy years grow taller, stay in school longer and live in households with greater wealth than women born in years with lower rainfall, a new University of ...
Scientists identify gene that may indicate predisposition to schizophrenia
Jan 24, 2007 |
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In a new study from The American Journal of Human Genetics, a research team lead by Xinzhi Zhao and Ruqi Tang (Shanghai Jiao Tong University) present evidence that genetic variation may indicate predisposition to schizophrenia. ...
Variations in 5 genes raise risk for most common brain tumors
Jul 05, 2009 |
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Common genetic variations spread across five genes raise a person's risk of developing the most frequent type of brain tumor, an international research team reports online in Nature Genetics.
Mouse genome will help identify causes of environmental disease
Jul 30, 2007 |
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Research on the DNA of 15 mouse strains commonly used in biomedical studies is expected to help scientists determine the genes related to susceptibility to environmental disease. The body of data is now publicly available ...
Researchers uncover new genetic links to psoriasis
Apr 04, 2008 |
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In the first comprehensive study of the genetic basis of psoriasis, researchers at Washington University School of Medicine in St. Louis have discovered seven new sites of common DNA variation that increase the risk of the ...
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