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Experiment in Biological News

8-day undersea mission begins experiment to improve coral reef restoration

Scientists have begun an eight-day mission, in which they are living and working at 60 feet below the sea surface, to determine why some species of coral colonies survive transplanting after a disturbance, such as a storm, while other colonies die. Coral reefs worldwide are suffering from the com...

A unique experiment with chlorine -- and a new way of teaching

Imagine turning up to an undergraduate class, being given a dissertation by one of your student predecessors and told to improve on it. This was the experience of successive cohorts of undergraduates at UCL's (University College London's) Department of Science and Technology Studies between 20...

LOHAFEX: An Indo-German iron fertilization experiment

Bremerhaven, January 13th 2008. The German research vessel Polarstern is currently on its way to the Southwest Atlantic Sector of the Southern Ocean. The team of 48 scientists (30 from India) on board left Cape Town on 7th January to carry out the Indo-German iron fertilization experiment LOHAFEX ...

FEBS Letters Structured Digital Abstracts experiment

Amsterdam, 2 April 2008 - FEBS Letters, one of the leading journals for short reports in molecular biosciences, announced today an exciting new enhancement to the journal article: Structured Digital Abstracts (SDA). A Structured Digital Abstract in FEBS Letters is an extension of the regular j...

Novel experiment documents evolution of genome in near-real time

A team led by bioengineering researchers at UC San Diego report in the November issue of Nature Genetics rapid evolutionary changes in a bacterial genome, observed in near-real time over a few days. Scientists have previously published static "snapshots" of the genome sequences of more than 100 bac...

'Failed' experiment yields a biocontrol agent that doesn't trigger antibiotic resistance

MADISON - A failed experiment turned out to be anything but for bacteriologist Marcin Filutowicz. As he was puzzling out why what should have been a routine procedure wouldn't work, he made a discovery that led to the creation of a new biological tool for destroying bacterial pathogens - one that...

Wyoming cloud seeding experiment begins this month

Scientists have sequenced and compared the genomes of planktonic microbes living throughout the water column in the Pacific Ocean. The pioneering study yielded insight into the specialization of microbial communities at each depth--ranging from 40 to more than 13,000 feet. "By reading the informa...

World's largest rainforest drying experiment completes first phase

Scientists with The Woods Hole Research Center are analyzing the surprising results of the first phase of a drydown experiment occurring in the Amazonian rainforest. From January 2000 to July 2004, rainfall was excluded from a one-hectare (2.2 acre) plot in the middle of the Tapajós National Fore...

Sea skate experiment sheds light on human cell transport

Along with Mark Musch, a longtime University of Chicago collaborator, Goldstein conducted an experiment with the red blood cells of skates to understand how these skinny, graceful fish can swim from salt water to fresh water. For humans, such a drastic environmental change would prompt an equally d...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...er any of these afflictions led directly to the flies' death. A separate experiment showed adult flies transported carbon nanoparticles and then deposited them... hazardous), but the form the nanoparticle is in," Rand said. In another experiment led by Daniel Vinson, an undergraduate student in engineering, adult Drosop...

AGU journal highlights -- Aug. 6, 2009

...8 billion years ago). Using images from the High Resolution Imaging Science experiment (HiRISE) camera on board NASA's Mars Reconnaissance Orbiter, Di Achille et ... stress, Ponte and Quinn analyze data from the Gravity Recovery and Climate experiment (GRACE) satellite mission (which measures Earth's gravity field and can sen...

Animal and plant communication at the ESA Annual Meeting

... like Singer's specialist caterpillars, might be more adept at camouflaging themselves by finding the best places to hide or to blend in. Singer's experiment is the first to quantify bird predation on specialist and generalist herbivores, and he hopes it will spark further research. He says that the interac...

Holding breath for several minutes elevates marker for brain damage

... changes in established biochemical markers of brain damage after such performances offers the possibility to address this question." Breath hold experiment Nine competitive breath-hold divers (eight men and one woman) took part in this study, along with six individuals who had limited experience with ...

Jet-propelled imaging for an ultrafast light source

...icrocrystals weren't individual protein specimens, and while the 9.0.1's x-ray beams aren't as bright or as rapidly pulsed as SLAC's LCLS will be, the experiment demonstrated the jet technique's high potential for speeds and exposures that won't subject the samples to radiation damage. Some of the patterns the ...

Key OSU water research receives national funding

...lieve this is an important study to help the state plan for the future." Clarence Watson, associate director of the statewide Oklahoma Agricultural experiment Station system, said the study is a great example of the division's commitment to its land-grant mission. "We have a state and federal mandate to h...

ISU researchers find possible treatment for spinal muscular atrophy

...f called junk DNA in SMN2," said Singh. "We found that we could get SNM2 to behave as SMN1 by introducing a small oligonucleotide. It is a very simple experiment if you think about it." The resulting proteins are normal just like a regular cell - free from Spinal Muscular Atrophy. "Our cells are healthy and...

Music is the engine of new U-M lab-on-a-chip device

...p just millimeters or centimeters in size. The devices allow researchers to experiment on tiny sample sizes, and also to simultaneously perform multiple experimen...esses, food contaminants and toxic gases, among other advances. To do an experiment in a microfluidic device today, researchers often use dozens of air hoses, ...

Scientists link immune system's natural killer cells to infant liver disease

... The NK cells over-expressed genes involved in creating substances that are cytotoxic, or toxic to living cells. This finding led the research team to experiment with a mouse model of biliary atresia. In the mouse experiments, the scientists used a rotavirus infection to induce biliary atresia in newborn mic...

IOS Press announces launch of Journal of Berry Research

...essor Department of Biochemistry and Biophysics, Corvallis, OR; Bruce I. Reisch, PhD, Professor of Horticultural Sciences, New York State Agricultural experiment Station, Cornell University, Ithaca, NY; and Kevin M. Folta, PhD, Assistant Professor, Horticultural Sciences Department, Plant Molecular and Cellular...

Corn yield stability varies with rotations, fertility

...ong-term cropping systems on corn grain yields, yield trends, and yield stability over the last 16 years of a long-term fertility and cropping systems experiment at the Pennsylvania State University. This study suggests that on average in a productive Central Pennsylvania soil, the yield of corn rotated with...

Wolf reintroduction proposed in Scottish Highland test case

...archers are proposing in a new report that a major experiment be conducted to reintroduce wolves to a test site ...tire terrestrial ecosystems. If successful, the experiment might demonstrate the same ecosystem recovery is p... wolves might have a large impact. A controlled experiment demonstrating the whole ecosystem benefits that mi...

1-finger exercise reveals unexpected limits to dexterity

... faster. Now faster." These were the commands for volunteers in a simple experiment that casts doubt on old ideas about mechanisms to control hand muscles. Com...round," he explains. Valero-Cuevas and his collaborators set up a simple experiment to characterize how finger velocity made a difference in the force produced...

A bird's eye view of art

... to make complex visual discriminations. Professor Watanabe concludes: "Artistic endeavors have been long thought to be limited to humans, but this experiment shows that, with training, pigeons are capable of distinguishing between 'good' and 'bad' paintings. This research does not deal with advanced artisti...

Ecological Society of America announces 2009 award recipients

...rait of a plant can affect overall plant community structure, which in turn drives the evolution of the trait. The paper uses a combination of theory, experiment and observation to bridge the fields of community ecology and quantitative genetics. Odum Education Award: Christine Flanagan Christine Flanaga...

New trigger for chronic inflammation in rheumatoid arthritis discovered

...into mice joints. They found it caused the joints of the mice to become inflamed and that this reaction was more intense with higher doses. Another experiment demonstrated that tenascin-C causes swelling in the joints by increasing levels of molecules that cause inflammation. The researchers took human immun...

Waste water treatment plant mud used as 'green' fuel

...rtant issues for the URV scientists is the reduction in environmental impact, and consequently the health risks for people living near the plants. The experiment with the mud has led to a 140,000 tonne reduction in CO 2 emissions between 2003 and 2006, and will have limited the potential deaths from exposure t...

Ability to literally imagine oneself in another's shoes may be tied to empathy

...involving visuo-spatial processes and empathy." To test their hypothesis that empathy and spatial processes are linked, the researchers designed an experiment in which subjects had to imagine themselves in the position of another person and make a judgment about where this other person's arm was pointing. Th...

Researchers observe single protein dimers wavering between two symmetrically opposed structures

...ructure from mostly syn to significantly anti by twisting one of the protein copies in the dimer by 180 degrees. Additionally, by using a more complex experiment with an additional differently-colored fluorescent dye, they discovered another surprise. The dimers were able to switch structures without separation...

Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games

...ering the massive efforts by China to reduce air pollution in and around Beijing during the Olympics, this was the largest scale atmospheric pollution experiment ever conducted," said Staci Simonich, an OSU associate professor of environmental and molecular toxicology. "Despite all that, it was some evening rai...

7th annual [BC]2 Basel Computational Biology Conference 'Molecular Evolution' June 18-19, 2009

...train selection process. Richard E. Lenski, who will be speaking about the "Dynamics of Phenotypic and Genomic Evolution During a 40,000-Generation experiment with E. coli", holds the Hannah Distinguished Professor of microbial ecology office at Michigan State University and was elected in 2006 to the United...

UBC researchers develop new method to study gambling addictions

... UBC researchers have created the world's first animal laboratory experiment to successfully model human gambling. The advance will help scientists develop and test new treatments for gambling addictions, a devastating conditio...

'Shock and kill' research gives new hope for HIV-1 eradication

...DAC inhibitors were able to induce the 'awakening' of a portion of cells within a latently infected cell population. The researchers then repeated the experiment adding a drug inducing oxidative stress, buthionine sulfoximine (BSO). The results showed that BSO recruited cells non-responsive to the HDAC inhibito...

Scholar unconvinced new lie-detection methods better than old ones

...ic on board with things like forensics or fMRI or lie detection," she said. Littlefield recently returned from Denmark, where she designed an fMRI experiment for a project she plans to begin this fall with a team of international, interdisciplinary researchers. Although Littlefield could not reveal the ...

SRI International announces findings from new upper atmospheric radar system for scientific research

...program focusing on the polar regions of the world. Jan Sojka, Ph.D., professor at Utah State University, is one of many scientists who have requested experiment time on the new radar. His objective is to study how the ionosphere changes in response to energy input from above and below. He scheduled AMISR obse...

Saved by junk DNA

...inciple for survival in the endless evolutionary race. Evolution in test tubes To further test their theory, the researchers conducted a complex experiment aimed at mimicking biological evolution, using yeast cells as Darwinian guinea pigs. Their results show that when a repeat is present near a gene, it ...

Sulphur in just one hair could blow a terrorist's alibi

...in hair can be linked to peoples' geographical movements. The traveller experiment The researchers collected hair samples of more than 4cm in length donat...s in the months leading up to the sample being taken. The results of the experiment revealed that the traveller's hair indeed showed significant variations in ...

International team tracks clues to HIV

...ey approached us and said, 'Do you think we could use some of these?' Then we started bouncing ideas around. "We began thinking about a very simple experiment to calculate the binding efficiency of a molecule in the HIV pocket, then calculate that for a series of molecules, decide which one is best, make tha...

UCSD researchers make first direct observations of biological particles in high-altitude ice clouds

...d travel great distances, this study is the first to yield in-situ data on their participation in cloud ice processes. Results of the Ice in Clouds experiment Layer Clouds (ICE-L), funded by the National Science Foundation (NSF) and the National Center for Atmospheric Research (NCAR), appear May 17 in the a...

'Beating' heart machine expedites research and development of new surgical tools, techniques

...ss expensive than using live animals. "It costs approximately $25 to run an experiment on the machine," says Richards, "whereas a similar experiment using a live animal costs approximately $2,500." ...

UT nanomedicine project to be tested in space

...ill include a small box containing a nano-fluidics experiment designed by scientists at The University of Texas ...ne that near weightlessness has been achieved, the experiment will activate itself and begin a series of tests d...n millionths of a meter, said Alessandro Grattoni, experiment project manager and senior research assistant in F...
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