Tag: "high" at biology news
Beyond batteries: Storing power in a sheet of paper
...ttery, as well as a supercapacitors quick burst of high
energy. The device can be rolled, twisted, folde...ew engineering innovations. Plus, because of the high
paper content and lack of toxic chemicals, its environmentally safe, Shaijumon said. Paper is also ...
New study warns limited carbon market puts 20 percent of tropical forest at risk
... Library of Science Biology journal warns that the high
forest cover with low rates of deforestation (HFLD...more than half their forest cover but face current high
rates of deforestation. In contrast, 11 HFLD countries with more than half their original forest int...
Newly created cancer stem cells could aid breast cancer research
...d favors the growth of the human breast cells with high
tumor-making and metastatic potential while the standard culture medium favors cells with low tumor-making potential. Although the two types are only slightly different, the cells behave completely differently after acquiring the same mutations. I...
High blood pressure, low energy -- a recipe for heart failure
Aug. 10, 2007 -- Many people with long-standing high
blood pressure develop heart failure. But some don...heart keep up with energy-draining conditions like high
blood pressure, which makes the heart work harder to pump blood. In the July issue of Cell Metabolis...
Rain forest protection works in Peru
... the region has not been thoroughly assessed using high
spatial resolution satellite data until this study. The scientists used the Carnegie Landsat Analysis System (CLAS) in their work. It was formerly used in Brazil to detect logging activities there. CLAS is a satellite-based forest-damage detection...
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...he atmosphere originally predicted. But over time high
methane emissions will balance or outweigh the reduction of carbon in the atmosphere. Not all ecosystems underlain by permafrost will respond the same way, Turetsky cautioned. It will depend on the history of the permafrost and the nature of both...
New study suggests Concord grape juice may provide protection against breast cancer
... slowing the multiplication of cancer cells. Diets high
in natural antioxidants have been associated with ...ape Juice made from Concord grapes is particularly high
in anthocyanins, potent natural antioxidants that give the juice its characteristic deep purple colo...
Research shows skeleton to be endocrine organ
...the Columbia research, which showed that mice with high
levels of osteocalcin activity were prevented from...g weight or becoming diabetic even when they ate a high
fat diet. Analysis of mice lacking the osteocalcin protein showed that they had type 2 diabetes, inc...
A unique arrangement for egg cell division
...osomes. Tracking spindle assembly over time with a high
resolution microscope in live mouse oocytes, Ellenberg and his PhD student Melina Schuh found that the missing centrosomes are replaced by a flexible system of many small microtubule organising centres (MTOCs) in oocytes. Like centrosomes, these MTOC...
European Science Foundation's Forward Look reaches out beyond the endless frontiers
...the completion of the Forward Look there have been high
impact follow up actions: Inclusion of the ESF Forward Look results in the EC Strategic Research Agenda of the European Technology Platform on Nanomedicine Bi-annual Research Conferences (ESF together with the University of Barcelona) ...
Smithsonian scientists show differing patterns of rainforest biodiversity
...rainforests have steep environmental gradients and high
beta diversity. A large proportion of the world...ated that such lowland rainforests also would have high
beta diversity, but this has not been rigorously tested. Little data exists for species distribution...
Study finds gender differences in renal and other genes contributing to blood pressure
...fferences have been observed in the development of high
blood pressure (hypertension) and heart (cardiovascular) disease. Previous studies have reported that gender may affect vascular physiology and the bodys response to some types of blood pressure medications. Although gender is usually accounted for...
Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
...ncy in aged females may trigger the development of high
blood pressure and obesity. The results of their study, using an animal model, suggest that estrogen depletion can have these effects. The study is entitled, "Role of Estrogens in Postmenopausal Obesity and Hypertension." It was conducted by Lour...
The 'female advantage' in kidney disease does not extend to diabetic women
...se as males. Diabetic women are also known to have high
rates of stillborn births, experience higher rates of menstrual difficulties, and have trouble conceiving. Studies In an effort to understand why women with diabetes are more likely to get kidney disease than their non-diabetic female counterpa...
Grapes, soy and kudzu blunt some menopausal side effects
Austin, TX Menopausal women are at relatively high
risk for memory loss, high
blood pressure (hypertension) and diabetes. A decade ago, the standard treatment for these problems ...
Weizmann Institute scientists discover a control mechanism for metastasis
... The scientists found a strong correlation between high
growth factor activity and levels of the 'plug' protein. High levels of this protein, in turn, were associated with cancer metastasis to the lymph nodes the first station of migrating cancer cells as they spread to other parts of the body. In ano...
What we can learn from the biggest extinction in the history of Earth
...inction. However, nearly all explanations cite the high
levels of greenhouse gases, including carbon dioxide, low levels of oxygen in the oceans and high
levels of toxic gases. Siberian Traps In 1991, scientists reported that the largest known volc...
Viewing ecosystems from above
...lable for aircraft observations. According to her, high
fidelity imaging spectroscopy and small footprint lidar, are two new technologies that provide essential information needed to characterize landscape dynamics. She will discuss the types of landscapes that are measurable using those instruments and ...
Weed gave up sex long ago
...lly, the researchers expected to find a relatively high
level ofLD, because after the transition to selfing the disruption of variantcombinations would have slowed dramatically. But the LD pattern instead suggested that selfing evolved on the order of amillion years ago or more, and perhaps soon after t...
Other highlights in the Aug. 7 JNCI
...ciences. Liver cancer is a common cancer with a high
death rate. New prevention strategies are needed to reduce the number of deaths from the disease. Chen-Xu Qu, M.D., and colleagues conducted a randomized clinical trial that examined whether four vitamin-mineral supplement combinations could effec...
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