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Tag: "scale" at biology news

Neuronal 'traffic jam' marks early Alzheimer's disease

..., enough to cross a critical threshold and tip the scale toward disease." Goldstein emphasized that any application of these findings to potential diagnostic tests or new therapies remains speculative at this time. "However, if tracers could be developed that would reflect transport function, there could ...

Tiny particles could solve billion-dollar problem

...er of CBEN's environmental research programs. "The scale of TCE contamination is enormous, so any new scheme for TCE remediation has got to clean large volumes of water very quickly for a just a few pennies." Hughes, Wong and their collaborators hope to develop a device that would include a cylindrical pu...

Computers to be used to find blueprint for new influenza drug

...ays. But some outbreaks can cause death on a large scale ?the world-wide outbreak in 1918 killed more people than the First World War itself. We may now be facing another flu outbreak, this time originating from chickens in Asia. “If we are successful, we will have taken important steps in finding a new w...

Breakthrough Microarray-based Technology for the Study of Cancer

...hat allowsreliable detection of alterations at the scale of individual genes andeven introns and exons. This advancement, along with the possibility itprovides to correlate genomic copy alterations with mRNA abundance andprotein abundance, is going to incite a huge body of experimentationand publication am...

The secret lives of whales

...s. “Suddenly you realize that the whale’s sense of scale is ocean basin sized —one song note is 20 miles long and can illuminate the entire basin,?he says. Clark has observed that the distribution of singers is closely matched to the distribution of zooplankton, and suspects that shifts in singer distribu...

Researchers reveal the infectious impact of salmon farms on wild salmon

... to a need to reconsider the premise of industrial scale fish farming in wild salmon habits. "There's a dou...line here. The full ecological costs of industrial scale salmon farming must be quantified as well as the economic ones," says Volpe. "For the migratory runs...

Scientists decipher genome of fungus that can cause life-threatening infections

...lso catalogued, for the first time on agenome-wide scale in fungi, examples of "alternative splicing" and"antisense" transcripts, in which the gene on one strand of the DNAdiffers from the counterpart gene on the opposite strand. Researchersalso identified a high percentage of transposons (moveable element...

Researchers trace evolution to relatively simple genetic changes

...apting to the unique environments created by large scale climate change. "There are really dramatic morphological and physiological adaptations" to the new environments, Kingsley said. For example, "sticklebacks vary in size and color, reproductive behavior, in skeletal morphology, in jaws and teeth, in ...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...apting to the unique environments created by large scale climate change. "There are really dramatic morphological and physiological adaptations" to the new environments, Kingsley said. For example, "sticklebacks vary in size and color, reproductive behavior, in skeletal morphology, in jaws and teeth, in ...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...mers are selling their land to outsiders and large scale agriculture is taking place in the high-lands surrounding the Pantanal. In most cases, these newcomers do not know how to manage the land in a sustainable way." Several major development projects have been initiated, aimed at increasing the contribu...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

...nderstanding of the protein expression on a global scale for this pathogen,?Lamont said. “Now we need to see how it adapts to various situations present in the mouth to cause disease.?/p>...

Unprecedented water level rise in Somalia

...ities and humanitarian agencies agreed that larger scale protection of the river embankment was required and that it would be supported by the UN Children's Fund (UNICEF). A humanitarian contingency plan was also being developed. On Sunday heavy rains and floods hit Hargeisa, the main city Somaliland. The...

Great White shark evolution debate involves WSU Lake Campus geology professor

... in physics and chemistry. "My work looks at large scale changes of life over time and how things like mass extinction affect the course of life," he said. Ciampaglio discussed his shark research findings at recent Geological Society of America meetings in Mississippi and Colorado. A scholarly journal art...

Canadian youth 4th highest in international obesity study

Canadian youth rank fourth-highest on the obesity scale in a new international study of adolescents from 34 countries, says co-author Dr. Ian Janssen, a professor in Queen's University's School of Physical & Health Education and Department of Community Health & Epidemiology. And sedentary behavio...

Bioelectronic ‘signatures?hold key to DNA mutations

... nanomaterial-based biosensors that operate at the scale of a thousand times smaller than the width of a human hair. He wrote 660 papers and has 12 patents to his credit, including involvement in the development of the first noninvasive biosensor for diabetes, the FDA approved Gluco Watch, which monitors g...

Anammox bacteria produce nitrogen gas in oceans' snackbar

...y 88%. Because of these advantages the first large scale waste water treatment system was recently installed in Rotterdam (The Netherlands). Title of publication and authors: Massive nitrogen loss from the Benguela upwelling system through anaerobic ammonium oxidation Marcel M.M. Kuypers*, Gaute Lavik*, ...

Marine sponge yields nanoscale secrets

...of valuable materials. Nature produces silica on a scale of gigatons –?thousands of millions of tons –?thousands-fold more than man can produce, said Morse. "This biosynthesis is remarkable because this nanoscale precision can't be duplicated by man." Besides this remarkable precision, nature manages to p...

Insects, viruses could hold key for better human teamwork in disasters

...d, adding that "the resulting software systems can scale to networks with hundreds or thousands of first responders, as well as withstand unresponsive participants and poor communication channels. "This behavior is very similar to how rumors or fads spread in society and viruses spread in populations, bot...

Penn Researchers Use Robotic Surgery

...than human vision allows, and to work at a smaller scale of detail than conventional surgery permits. Unlike other endoscopic systems now in use, which afford reverse-image views that require counter-intuitive movements by surgeons (whereby the surgeon must move his hand to the left in order to move the me...

Two new retroviruses—transmitted from animals—identified

...than human vision allows, and to work at a smaller scale of detail than conventional surgery permits. Unlike other endoscopic systems now in use, which afford reverse-image views that require counter-intuitive movements by surgeons (whereby the surgeon must move his hand to the left in order to move the me...

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