Invasive species Current Events | Invasive species News | 5
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Robotic approach to urothelial cancer of the kidney proves to be beneficial for patients
Robotic trained surgeons at Fox Chase Cancer Center in Philadelphia presented a new and novel approach to surgically treat urothelial cancer (in the lining of the bladder or kidney) today at the American Urological Association's Annual Meeting. view more (2009-04-27)
Why does species diversity vary so much?
The diversity of life varies predictably with climate and is greatest where it is warm and wet (the humid tropics). But the question "why" has puzzled biologists for over a century. In the December issue of Ecology Letters, Currie and colleagues examine three hypotheses about the origin of climatic gradients of diversity. The... view more... (2005-01-11)
Cosmetic plastic surgery patients chose needle over knife
Minimally-invasive cosmetic procedures are mostly performed in an outpatient setting, do not call for general anesthesia, require little to no downtime and usually cost less than the more invasive cosmetic surgeries. view more (2006-03-17)
Manipulating biotope space can enhance beneficial biodiversity effects
Using diverse plant mixtures instead of monocultures can increase yield and other ecosystem goods and services on which humans depend. Recent studies showed that such beneficial effects of biodiversity depend on complementarity between species in resource use, as is the case if species root in different soil depths. This knowledge led to the... view more... (2004-06-10)
Minimally invasive procedure effective for treating snoring
Radiofrequency ablation, a procedure that uses heat to shrink the tissue of the soft palate, is an effective and minimally invasive procedure that can be used to treat patients who snore. view more (2009-10-05)
Looking beyond biodiversity to explain community invasibility
Most existing experimental and theoretical studies suggest that diversity is an effective barrier to plant invasion. However, these studies may be limited in their generality, because they involve relatively small numbers of species or examine only short time periods. To evaluate how invasions are controlled in more realistic situations, Meiners,... view more... (2004-02-05)
Common garden plant threatened by climate change
Cyclamen, a common, pretty garden flower, is at risk of extinction because of climate change. In a study published today in the open access journal BMC Evolutionary Biology (http://www.biomedcentral.com/bmcevolbiol/), researchers show, using mathematical modelling, that the ideal climate for Cyclamen will become increasingly rare and might have... view more... (2006-09-20)
Minimally invasive stroke treatment produces better patient outcomes than surgical operation
While minimally invasive coil treatments for those with a ruptured brain aneurysm have proved to be a more effective technique than traditional surgical operation in selected patients, the superior procedure is drastically more expensive. view more (2009-06-01)
Long-term Outcome After Intravenous Thrombolysis of Basilar Artery Occlusion
Occlusion of the basilar artery (BAO) is a relatively infrequent but the most catastrophic form of ischemic stroke with a dismal natural course, carrying from 85 to almost 95 % mortality. Complete BAO precipitates a sudden or gradually worsening clinical syndrome with bilateral motor weaknesses, visual or speech disturbances, deficits in motor... view more... (2004-10-21)
Noninvasive screening in early pregnancy reduces Down's births by 50 percent
Non-invasive screening of pregnant women with ultrasound early in pregnancy, combined with maternal blood analysis, has reduced the number of children born in Denmark with Down Syndrome by 50%. view more (2007-06-18)
Women still face cancer risk 25 years after treatment
Women are still at risk of developing invasive cancer of the cervix or vagina 25 years after being treated for pre-cancerous lesions, according to a study published today on bmj.com. view more (2007-10-26)
Whitefly spreads emerging plant viruses
A tiny whitefly is responsible for spreading a group of plant viruses that cause devastating disease on food, fiber, and ornamental crops, say plant pathologists with The American Phytopathological Society (APS). view more (2007-01-19)
How butterflies got their spots: A 'supergene' controls wing pattern diversity
Butterflies are known to employ some interesting convergent evolutionary tactics to survive-some nonpoisonous species have similar wing patterns to those of noxious species that predators avoid. view more (2006-09-26)
Elevated CO2 in atmosphere weakens defenses of soybeans to herbivores
In research to be presented at the annual meeting of the American Society of Plant Biologists in Chicago (July 7-11, 2007), scientists will show that elevated CO2 may negatively impact the relationship between some plants and insects. view more (2007-07-09)
Round Goby invade Great Lakes
Canadian scientists uncover alarming invasion of round goby into Great Lakes tributaries: impact on endangered fishes likely to be serious. view more (2009-08-12)
Human activity destroys species that the Ice Age could not
Forest clearance and animal overgrazing in the last 5,000 years have destroyed important tree species that had survived even the Ice Age. Dr Mick Frogley, Lecturer in Physical Geography at the University of Sussex, is one of a British research team exploring a site near Lake Ioannina in the Pindus Mountains of northwestern Greece. "Given the... view more... (2002-09-20)
NASA satellites can see how climate change affects forests
A NASA-funded study shows that satellites can track the growth and health of forests and detect the impact of a changing climate on them. view more (2006-08-30)
Genetic study finds treasure trove of new lizards
University of Adelaide research has discovered that there are many more species of Australian lizards than previously thought, raising new questions about conservation and management of Australia's native reptiles. view more (2009-03-04)
Vitamin E, selenium and soy in combination does not prevent prostate cancer
The combination therapy of vitamin E, selenium and soy does not prevent the progression from high-grade prostatic intraepithelial neoplasia (HGPIN) to prostate cancer, according to the new research presented at the 104th Annual Scientific Meeting of the American Urological Association (AUA). view more (2009-04-27)
Biodiversity promotes evolutionary change
Evolutionary biologists at the University of East Anglia have discovered a new link between biodiversity and the evolution of new species. view more (2005-04-18)
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