Tag: "natural" at biology news
A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...ns. Once again, islands turned out to be excellent natural
laboratories to explore evolutionary patterns and processes....
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...rotoluene (TNT) into nontoxic compounds. But those natural
bacteria exist at levels too low to detoxify TNT. In the new study, researchers inserted a gene for a TNT-transforming bacterial enzyme into a tobacco plant. Then they tested the plants effect on TNT-contaminated soil in comparison to regular tob...
Study begins to reveal clues to the cause and progression of sepsis
..., according to findings from the first large-scale natural
history study of sepsis. The results, published by University of Pittsburgh School of Medicine researchers in the August 13/27 issue of the Archives of Internal Medicine, indicate that past interpretations of how the immune system responds to infecti...
Climate change isolates Rocky Mountain butterflies
...he Rocky Mountains. He feels his latest study is a natural
extension of his previous work. "It's important to study movement among populations that are becoming more and isolated due to shrinking habitats; but, ultimately, we need to study the population dynamics to find out if the habitat allows the speci...
New study warns limited carbon market puts 20 percent of tropical forest at risk
...that store atmospheric carbon and supply essential natural
benefits for local populations such as clean water, food, medicines and natural
resources. CI believes any carbon credit mechanism should include full representation, participati...
Interaction of just 2 genes governs coloration patterns in mice
...sand beaches, providing a powerful opportunity for natural
selection to evolve increased camouflage. Through a detailed genomic analysis, Hoekstra, Steiner, and Weber identified two pigmentation genes, for the melanocortin-1 receptor (Mc1r) and an agouti signaling protein (Agouti) that binds to this recept...
Circadian clock controls plant growth hormone
... when the auxin signaling was active. They found a natural
rhythm of activity, peaking late in the night when water is most available and the plants are preparing for daylight. A circadian response to auxin was actually observed in 1937 but then forgotten for 70 years, Harmer said. The researchers hope to ...
New textbook illuminates the close links between evolutionary and molecular biology
...ackgrounds, illustrate how basic processes such as natural
selection, optimization, and conflict occur at the...oratory, to dung flies, lizards, and deer in their natural
habitats. Evolutionary biology underpins all our knowledge of the living world, write the authors....
ESF EURYI award winner aims to stop cancer cells reading their own DNA
...rocess works normally, but in cancer cells it is a natural
target for disruptive therapy. Specifically targeting these molecular motors in cancer cells would then prevent the cancer cells from growing into a larger tumor, said Dekker. This molecular copying machinery, constructed mostly out of proteins, in e...
Tropical insects 'go the distance' to inform rainforest conservation
... extinction and designing the systems of protected natural
areas, Hulcr said. Because diversity doesnt necessarily increase with distance, but animals in small reserves tend to go extinct, you should plan for one large area instead of having a lot of small and distant areas to manage and conserve. Cogn...
Rain forest protection works in Peru
...y 1 to 2 % of this disturbance in Peru happened in natural
protected areas, noted lead author Paulo Oliveira. However, there was substantial forest disturbance adjacent to areas set aside for legal logging operations. This leakage of human activity outside of logging concessions is a concern. Peru has abo...
Antioxidant overload may underlie a heritable human disease
.... The researchers show in mice that an overload of natural
antioxidants can actually lead the heart to failur...d oxidative stress levels due to an abundance of a natural
antioxidant known as glutathione. The mutant mouse hearts exhibited a heightened stress response, ...
New study suggests Concord grape juice may provide protection against breast cancer
...e current issue of the Journal of Medicinal Foods, natural
compounds in Concord grape juice protected healthy... the multiplication of cancer cells. Diets high in natural
antioxidants have been associated with a reduced risk of some types of cancers, and Welchs 100% Grap...
European Science Foundation's Forward Look reaches out beyond the endless frontiers
... are focused on developments and challenges in the natural
sciences. These Forward Looks have all included some typical foresight methods, such as scenario building, road mapping, interactive workshops or key word analysis. In the Forward Look Nanomedicine, a SWOT analysis (evaluating the Strengths, Weakness...
Testosterone replacement therapy: How safe for aging men?
...They are currently testing the hypotheses that the natural
decrease in testosterone brought on by aging may affect the progression of pre-existing cardiovascular/renal disease....
Argonne wins three R&D 100 awards for innovative technologies
...hnology. The Access Grid is designed to provide a natural
virtual environment, where users can see and hear one another, projected on a large display wall. More than just videoconferencing, the Access Grid enables participants to share and interact with files and applications. The open nature of the Acces...
Study: Sticking to the sand might not be such good, clean fun for beachgoers
...m included in their study represented a variety of natural
and anthropogenic factors, from sand grain size to surrounding human development. And after analyzing the different sand samples and variables, they found that enterococci densities were higher at beaches with a significant degree of surrounding huma...
American Chemical Society's Weekly PressPac -- Aug. 1, 2007
...moting sustainable development, responsible use of natural
resources, and other efforts in which scientists protect and maintain the earths environment, resources, and inhabitants. The statement came from the American Chemical Society, the Royal Society of Chemistry, the Chemical Society of Japan, the German...
Gene variant is associated with brain anatomy, clinical course of ADHD
...linked to better outcomes and that parallels ADHDs natural
history of improvement with age. Cross-sectional studies have found regional increases in cortical thickness to correlate with cognitive function, including enhanced verbal declarative and extinction memory, and with fluid intelligence in older, he...
Computer graphics spills from milk to medicine
...ry to generate realistic images of a wide range of natural
materials based on what they are made of. With our...ble to play a role in creating realistic images of natural
materials. We can visualize what specific particles like milk fats or proteins look like on thei...
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