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Recovery from acid rain 'much slower than expected'
Acid rain was one of the world's worst pollution problems of the 1970s and 1980s, affecting large areas of upland Britain, as well as Europe and North America. view more (2007-09-28)
Hawaii's anthurium growers cope with plant disease
A destructive pathogen is impacting Hawaii's production of anthuriums, a plant known for its heart-shaped flower and leaves. view more (2006-03-02)
Fatty fish protects against cancer
If you want to avoid cancer of the kidneys, a new major study from Karolinska Institutet in Sweden shows that eating salmon or other kinds of fatty fish a few times a month would be one good way to go about it. view more (2006-09-20)
Evolution: fish select for the survival of teh fittest
An important breakthrough has been made in determining the forces responsible for the evolution of populations in nature. By studying wild populations of grayling (a close relative of salmon), Mikko Koskinen and Craig Primmer at the University of Helsinki and Thrond Haugen at the University of Oslo found that natural selection, a force suggested... view more... (2002-10-30)
How to Grow a Bigger Brain
Hatchery-reared steelhead trout show increased growth of some parts of the brain when small stones are scattered on the bottom of their tank, according to a new study by researchers at UC Davis. view more (2006-03-07)
Omega 3 fatty acids influence mood, impulsivity and personality, study indicates
Omega-3 polyunsaturated fatty acids may influence mood, personality and behavior, according to results of a study presented today by University of Pittsburgh School of Medicine researchers at the 64th Annual Scientific Meeting of the American Psychosomatic Society in Denver. view more (2006-03-06)
'Killer' B cells provide new link in the evolution of immunity
Researchers from the University of Pennsylvania School of Veterinary Medicine have discovered a unique evolutionary link between the most primitive innate form of immune defense, which has survived in fish, to the more advanced, adaptive immune response present in humans and other mammals. view more (2006-10-04)
Satellite technology allows scientists to track warm sharks in cold polar seas
Electronic tags broadcasting from the dorsal fins of salmon sharks reveal that these top predators migrate from the glacial waters of Alaska to the warm seas off Hawaii. view more (2005-10-07)
Salmon go veggie to save wild fish stocks
Salmon, like humans, require omega-3 fatty acids in their diet to function healthily. But as the fish farming industry expands, feeding salmon and other aquatic species with pellets containing fishmeal and oil derived from processing wild-caught marine fish is unsustainable in the long term. view more (2006-04-04)
Rivers indicate earlier snowmelt in eastern North America
Scientists at the U.S. Geological Survey (USGS) have found evidence in eastern North America that the snow is melting and running off into rivers earlier than it did in the first half of the 20th century. view more (2006-03-27)
Contaminants linked to sturgeon decline in Columbia river
White sturgeon populations in the Columbia River may be declining due to the presence of elevated amounts of foreign chemicals including DDT and polychlorinated biphenyls in their bodies. view more (2006-04-07)
Conditions for slavery: New study sheds light on the development of early social hierarchies
An important new study argues that inconsistent weather and spotty resources prevented enduring inequality from emerging in some early hunter-gatherer societies. view more (2005-12-19)
Study shows Darwin was wrong about the origins of chickens
A novel genetic study has revealed why chickens have yellow legs, demonstrating that though Charles Darwin was right about many things, his view on the origins of the chicken was not entirely correct. view more (2008-03-03)
New study shows the benefits of eating fish greatly outweigh the risks
Many studies have shown the nutritional benefits of eating fish (finfish or shellfish). Fish is high in protein and omega-3 fatty acids. But concerns have been raised in recent years about chemicals found in fish from environmental pollution, including mercury, PCBs and dioxins. view more (2006-10-18)
Stick to wild salmon unless heart disease is a risk factor, risk/benefit analysis of farmed and wild fish shows
On the one hand, farmed salmon has more heart-healthy omega-3 fatty acids than wild salmon. On the other hand, it also tends to have much higher levels of chemical contaminants that are known to cause cancer, memory impairment and neurobehavioral changes in children. view more (2005-12-27)
Wolves would rather eat salmon
Although most people imagine wolves chasing deer and other hoofed animals, new research suggests that, when they can, wolves actually prefer fishing to hunting. view more (2008-09-02)
For some young fish, early gene expression is a clear harbinger of fated lifestyle
As juveniles, individuals of many fish species face a developmental choice that will profoundly affect their future: whether to adopt a sedentary or migratory lifestyle. view more (2006-04-18)
Russian River coho recovery project seeing first hopeful signs of success
Surveys of three streams in the Russian River watershed show the first encouraging signs that a ground-breaking recovery effort is making headway rescuing coho salmon from the brink of extinction in part of its historic California range. view more (2005-12-06)
Farmed salmon could become an invasive species in forest streams
Ever since the Norwegians expanded commercial farming of salmon in the 1960s, the industry has continued to rapidly grow worldwide. view more (2007-03-09)
Divergent life history shapes gene expression in brains of salmon
Scientists working with salmon have found that gene expression in the brain can differ significantly among members of a species with different life histories. view more (2005-07-21)
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