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'Normal' cells far from cancer give nanosignals of trouble

A new Northwestern University-led study of human colon, pancreatic and lung cells is the first to report that cancer cells and their non-cancerous cell neighbors, although quite different under the microscope, share very similar structural abnormalities on the nanoscale level. The findings, ob...

Two is not company -- as far as fish are concerned

It might be assumed that aquarium fish don't mind who or what they encounter in their tanks from one minute to the next, if their famously (but incorrectly) short memory is to be believed. Scientists at the Universities of Plymouth and Exeter have carried out research to show this is not the case ...

'Perfect pitch' in humans far more prevalent than expected

Researchers at the University of Rochester's Eastman School of Music and Department of Brain and Cognitive Sciences have developed a unique test for perfect pitch, and have found surprising results. Their research shows that perfect pitchthe ability to recognize and remember a tone without a ref...

Amazon corridors far too narrow, warn scientists

Protected forest strips buffering rivers and streams of the Amazon rainforest should be significantly wider than the current legal requirement, according to pioneering new research by scientists at the University of East Anglia (UEA). Published in the journal Conservation Biology on March 21, t...

When industrious ants go too far

Nature is full of mutually beneficial arrangements between organismslike the relationship between flowering plants and their bee pollinators. But sometimes these blissful relationships have a dark side, as Harvard biologist Megan Frederickson describes in an article for the May issue of The Ameri...

T-ray breakthrough could make detecting disease far easier

A breakthrough in the harnessing of 'T-rays' - electromagnetic terahertz waves - which could dramatically improve the detecting and sensing of objects as varied as biological cell abnormalities and explosives has been announced. Researchers at the University of Bath, UK, and in Spain have said ...

Highest ever winter water temperatures recorded

...rs an insight into a remarkable phenomenon a significant extension of the Leeuwin Current curling around the southern tip of Tasmania and reaching as far north as St Helens. Remote sensing specialists at CSIRO's Wealth from Oceans Flagship have been observing the current in recent days using satellit...

NIH stimulus funding supports Emory biomedical scientists

... opportunities that we can build on in future years after this funding is no longer available." Examples of stimulus-funded projects at Emory thus far include: Blocking blood vessel growth in tumors: The creation of new blood vessels can be good a response to exercise or injury or bad, enabling ...

'Green' energy from algae

...s may also be conceivable. Posten's institute hosts one of the two KIT working groups focusing on research in the field of algae biotechnology. "As far as the development of photobioreactors is concerned, we are among the three locations worldwide, where considerable progress is being achieved in both...

Hybrid vehicle rebates produce scant environmental benefits, high cost

...nce the introduction of hybrid rebates. "People are choosing hybrids over similarly priced small- and medium-sized conventional cars, which are not far behind hybrids for fuel efficiency and emissions," says Chandra. "The reductions in carbon emissions are therefore not great." The study also finds...

Animal and plant communication at the ESA Annual Meeting

...attract insects. Like bees that are attracted to flowers there's a general idea that insects like bright colors, especially reds and yellows. But thus far there is little evidence that these colorful patterns attract prey to pitcher plants. Aaron Ellison of Harvard University and his coauthor Katheri...

Holding breath for several minutes elevates marker for brain damage

...foot range. More recently, breath-hold diving has become a competitive sport. Competitive events include how long divers can remain underwater, how far they can swim underwater and how deep they can dive. Participants must undergo intense training to increase their lung capacity while learning crucial...

August 2009 Geology and GSA Today media highlights

...Wisconsin-Madison, Madison, Wisconsin 53706, USA. Pages 679-682. Global observations indicate that the faults that lie between tectonic plates slip far more easily than is predicted based on measurements of rock strength. The cause of this mechanical weakness may be a key to understanding earthquake r...

UC San Diego engineer provides insights to decades-old DNA squabble

... structure, dynamics, and chemical properties of chromatin. We now know how chromatin compacts and what its internal structure looks like. "But we are far from solving the mystery of the mechanisms by which chromatin exercises dynamic control over DNA." ...

Scientists decoding genomic sequences of H1N1 using isolates from outbreak in Argentina

...n is to release sequences in draft form so that the vetting process can begin as soon as possible," said Dr. Lipkin. "While there is no evidence so far to indicate the emergence of resistance to the oseltamivir vaccine, the antiviral drug that blocks the influenza virus from spreading between cells in...

Iron isotopes as a tool in oceanography

...sedimentary iron isotopes may also be useful in reconstructing past iron cycling in the ancient ocean. Pore-fluid iron isotope measurements have so far been restricted to the continental shelves where the supply of carbon is typically high and dissimilatory iron reduction is extensive, precluding comp...

Humans 'damaging the oceans'

...by triggering phytoplankton blooms with fertilisers to absorb more carbon from the atmosphere, or using the seabed to store CO2. However these require far more research to be sure. "It may already be too late to avoid major irreversible changes to many marine ecosystems. As history has shown us, thes...

Earliest animals lived in a lake environment, research shows

... and, at least in the modern world, the oceans are far more stable and consistent environments compared t...nce of animals we find is associated with lakes, a far more variable environment than the ocean." The ... shows that the range of early animal habitats was far more expansive than presently assumed and raises t...

After dinosaurs, mammals rise but their genomes get smaller

...ts are eventually lost from the genome, sometimes by accident and sometimes, perhaps, as the result of natural selection against excess DNA. An LTR is far more likely to survive a few years of cell divisions -- and the chance of obliteration via a DNA replication error -- than 10 million years of cell di...

Scientists track impact of DNA damage in the developing brain

...embling and sustaining life. Diseases like cancer have long been associated with unrepaired damage to both strands of DNA. Single-strand DNA damage is far more common, but was generally considered less catastrophic to the cell. But the last decade brought evidence linking single-strand DNA damage with...

Spallation Neutron Source sees first target replacement

...ance outage to replace the old target, which has been in service since the SNS's startup on April 28, 2006. "We were anticipating this operation as far back as the summer of 2008, and the fact is that the target received nearly twice the cumulative beam as its projected lifetime limit. In the meantime...

Most older long-term cancer survivors have poor health habits

...n study, generally had poor health habits. For example, they reported an average of only 10 minutes of moderate-to-vigorous exercise per week. This is far short of the national recommendation of more than 150 minutes of exercise per week. Also, only 7 percent met healthful eating recommendations set by n...

Common allergy drug reduces obesity and diabetes in mice

...w to the site. However, in certain conditions mast cells build up to levels far beyond what the body needs. As a result these cells become unstable and eve...s Shi and postdoctoral research fellow Jian Liu discovered, mast cells were far more abundant in fat tissue from obese and diabetic humans and mice than th...

URI researcher sheds light on 'man-eating' squid; finds them timid, nonthreatening

... at night in the surface waters of the Gulf of California in 2007, Seibel scanned the depths with his flashlight and saw the shadows of Humboldt squid far in the distance. After he got up his nerve, he turned off the light. When he turned it back on again 30 seconds later, he was surrounded by what se...

Results of national assessment of first responder location systems to be announced Aug. 3

...d co-leader of the WPI PPL team. "While we have made considerable progress and are nearing a commercial system, we have come to realize that this is a far more daunting task than we first understood." Since the Worcester fire and with more than $4 million in funding from the U.S. Departments of Justic...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...that of conventional stainless steels. These new alloys deliver this superior oxidation resistance with high-temperature strengths approaching that of far more expensive nickel-based alloys without sacrificing the typical lower cost, formability and weldability of conventional stainless steels. These new...

High-tech vehicle design boosts emergency rescue capacity

... vehicles are widely used by the emergency response organisations ambulance services, fire brigades and NATO forces in Germany, around Europe and as far afield as India, Thailand, Kazakstan and Egypt. System Strobel now markets a range of aluminium-sandwich box-body adaptations based on standard on- an...

Parasitic worms make sex worthwhile

...re the water is shallow. The ducks consume infected snails, but are not, as far as the scientists can tell, adversely affected by the worms. Inside the duc... from other lakes. Furthermore, they learned snails from the same lake were far more likely to be susceptible to infection if they came from the shallows, ...

URI researcher sheds light on 'man-eating' squid; finds them timid, non-threatening

... at night in the surface waters of the Gulf of California in 2007, Seibel scanned the depths with his flashlight and saw the shadows of Humboldt squid far in the distance. After he got up his nerve, he turned off the light. When he turned it back on again 30 seconds later, he was surrounded by what se...

Silicon with afterburners: Process developed at Rice could be boon to electronics manufacturer

... Doping introduces impurities into pure crystalline silicon as a way of tuning microscopic circuits to a particular need, and it's been effective so far even in concentrations as small as one atom of boron, arsenic or phosphorus per 100 million of silicon. But as manufacturers pack more transistors on...

C. difficile spores spread superbug

...tient every hour in our hospitals - but its biology and transmission are so far poorly understood," says Brendan Wren, Professor of Microbial Pathogenesis ...intestinal microbiota and promote health, are clear." "This research has far reaching implications for treatment and infection control of a pathogen tha...

Wolf reintroduction proposed in Scottish Highland test case

...ing to health. These processes, called "trophic cascades," result when the loss of one key predator can have cascading effects on an ecosystem that go far beyond the obvious. The new report is just being published in the journal Biological Conservation , co-authored by Ripple, Adrian Manning of the A...

The right messenger for a healthy immune response

...hout Beta-Interferon, no active stress protein without stress protein, no wanted poster without wanted poster, no immune response. "We now have a far better understanding of how immune responses start, but also how diseases like autoimmune diseases may develop," says Wei: without Beta-Interferon, th...

Healing power of aloe vera proves beneficial for teeth and gums, too

...O (July 17, 2009) - The aloe vera plant has a long history of healing power. Its ability to heal burns and cuts and soothe pain has been documented as far back as the 10th century. Legend has it that Cleopatra used aloe vera to keep her skin soft. The modern use of aloe vera was first recognized the 1930...

Reviews of microbial gene language published in special issue of Trends in Microbiology

...se Gene Ontology terms to identify common elements in both plant and animal disease. One research area that has not received a lot of attention so far is the use of Gene Ontology terms to address viral infection, in part due to fundamental differences between the ways in which viruses and other patho...

K-State plant pathologists develop online teaching modules used globally

... Garrett, her colleagues and students at K-State are developing online training modules that are free to anyone with Internet access. Garrett said so far more than 30,000 visitors from more than 100 countries have accessed these modules. Because these training modules are free, Garrett said that they ar...

Baylor researchers unravel mystery of DNA conformation

...ound and overwound in its natural state." DNA appears a perfect spring that can be stretched and then spring back to its original conformation. How far can you stretch it before something happens to the structure and it cannot bounce back? What happens when it is exposed to normal cellular stresses in...

Mount Sinai's Dr. Benjamin tenOever to be honored by White House

...places on discoveries that have immediate impact on human health," said Dr. tenOever. "This is truly one of the greatest honors bestowed upon me thus far in my career, and my work is just one of scores of translational research projects the Medical School has made possible through its commitment to brea...

A matter of density, not quantity

...ely tiny volume. The necessary signaling compounds can also become sufficiently concentrated by this route because the released signals cannot diffuse far away from the cell but instead accumulate around the cell. "In the past, the first strategy has dominated. This has led to the general view that quoru...

Exploring standards to advance microbial genomics

...ind that two-thirds of the nearly 5,000 genome projects reported in the Genomes OnLine Database ( http://www.genomesonline.org ) involve microbes. But far more could be done with microbial genomics, according to DOE JGI Genome Biology head Nikos Kyrpides, if researchers would embrace the world of possibi...
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