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Toxin detection as close as an inkjet printer

If that office inkjet printer has become just another fixture, it's time to take a fresh look at it. Similar technology may soon be used to develop paper-based biosensors that can detect certain harmful toxins that can cause food poisoning or be used as bioterrorism agents. In a paper publishe...

Corals stay close to home

The thought of coral reefs tends to conjure up images of tropical vacations, complete with snorkeling among tropical fish in crystal clear waters. Rapid climate change, and increased pollution, ocean acidification and overfishing threaten to darken this picture considerably. These factors heavi...

Researchers close in on origins of main ingredient of Alzheimer's plaques

St. Louis, Aprl 8, 2008 The ability of brain cells to take in substances from their surface is essential to the production of a key ingredient in Alzheimer's brain plaques, neuroscientists at Washington University School of Medicine in St. Louis have learned. The researchers used a drug to shu...

'Genes and environment' grant funds close look at nature-nurture overlap in common diseases

Johns Hopkins McKusick-Nathans Institute of Genetic Medicine is one of two gene-hunting facilities in the nation to win a new $11.7 million four-year federal grant to rigorously sort out how such environmental factors as diet, exercise, stress and addictions interact with peoples individual geneti...

Scientists close in on missing carbon sink

Forests in the United States and other northern mid- and upper-latitude regions are playing a smaller role in offsetting global warming than previously thought, according to a study appearing in Science this week. The study, which sheds light on the so-called missing carbon sink, concludes that in...

Gene hunters close in on Lou Gehrig’s disease

In the first genome-wide search for the genetic roots of the most common form of amyotrophic lateral sclerosis (ALS), Johns Hopkins scientists have newly identified 34 unique variations in the human genetic code among 276 unrelated subjects with ALS. The 34 so-called single nucleotide polymorphis...

MIT device draws cells close -- but not too close -- together

On a popular children's game participants stand as close as possible without touching. But on a microscopic level, coaxing cells to be very, very close without actually touching one another has been among the most frustrating challenges for cell biologists. Now MIT researchers led by Sangeeta Bha...

Wild gorillas carriers of a SIV virus close to the AIDS virus

In 2005, 40.3 million people in the world, including 25.8 million in Sub-Saharan Africa, were living with HIV. The question of the origin of HIV-1, responsible for the AIDS pandemic, has been stimulating the scientific community for many years. Some months ago, the team of Martine Peeters, direct...

For diseases, when it comes to sharing a home, only close relatives will do

Being more generous to close relatives is a common theme in both our daily interactions and our understanding of how organisms resolve conflicts in nature. In a paper from July issue of The American Naturalist, biologists Britt Koskella (Indiana University), Tatiana Giraud (Université Paris-Sud), a...

Scientists observe how a close bond activates the immune system

The immune system is highly complex. The cast of characters alone required to marshal an immune response to a foreign invader can number in the millions as the body's soldiers, T cells, are called into action. What triggers this complex response begins when T cells and dendritic cells, another type...

Getting close to nature is good for you

Connecting with nature can improve your health and wellbeing, say researchers in this week's BMJ. The theory is known as ecotherapy: restoring health through contact with nature. Use of wildlife in some therapies is reported to improve quality of life, write the authors. Smaller animals (for exam...

Computers close in on protein structure prediction

Rosetta@home lets public participate in structure prediction. Computers can predict the detailed structure of small proteins nearly as well as experimental methods, at least some of the time, according to new studies by Howard Hughes Medical Institute researchers. The findings, which were repo...

First human gets new antibody aimed at hepatitis C virus

...cting the new liver. After re-infection with HCV, nearly 40 percent of patients suffer rapid liver failure, with markedly reduced survival rates. To close that clinical gap, the new antibody developed at MassBiologics is designed to be a therapy shortly before and after transplant surgery. By giving a pa...

'Green' energy from algae

...g investment and operation costs of photobioreactors and on developing highly efficient processes for the harvesting and decomposition of algae. To close the cycle for the complete use of algae biomass for energy production, KIT researchers even go another step forwards. The biomass remaining after extr...

Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod

...is ideal for this pilot projectthe on-site wastewater treatment plant would provide an excellent source of nutrients for the algae, and MMR's location close to the Cape Cod Canal would provide a convenient source of seawater as well as a renewable thermal energy source for algae growth and temperature cont...

New hope for fisheries

...aged by a few wealthy nations, there are some notable exceptions. In Kenya, for example, scientists, managers, and local communities have teamed up to close some key areas to fishing and restrict certain types of fishing gear. This led to an increase in the size and amount of fish available, and a conseque...

August 2009 Geology and GSA Today media highlights

...to result from invasion of the pyrite-forming fluid by magmatic vapors. The close association of arsenic with gold and silver strongly suggests that these th...estrial sections. This discovery offers the unique opportunity to study, in close vicinity, impacts of the end-Permian crisis across an environmental spectru...

Experimental treatment halts hypoxic-ischemic brain injury in newborns

... although some studies point to the possibility of problems with the placenta, maternal blood pressure or complications related to the umbilical cord. close to 20 percent of newborn children with hypoxic-ischemia die and 25 percent of those who survive suffer from lifelong neurological problems. ...

Spallation Neutron Source sees first target replacement

...static with the results they are getting from their experiments," said SNS Director Ian Anderson. The SNS team has already operated the facility at close to megawatt levels. Recent tests verified that the linear accelerator and accumulator ring--two vital components that supply the proton beam pulses--a...

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

...I PPL team has developed a location and tracking system that uses advanced radio and radar technology in tandem with inertial navigation. Developed in close collaboration with the Worcester Fire Department and other members of the firefighting community, the system is designed to ultimately be able to loca...

Improved air quality during Beijing Olympics could inform pollution-curbing policies

...ds. The city also implemented rules in which only some people were allowed to drive on certain days based on their license plate numbers. As a result, close to 2 million vehicles were pulled from the roads. Other mandates involved halting construction and decreasing the use of coal in favor of natural gas ...

What scientists know about jewel beetle shimmer

...n or are used to form the curved structure of its external skeleton. Research shows that when the pitch of the helix of cholesteric liquid crystals is close to the wavelength of visible light, they reflect light with specific wavelengths, leading to brilliant metallic colors. "It's stunning how similar ...

UC San Diego's $3 million NSF grant to fund science festivals

...ucational Enrichment activities for students of all ages across San Diego. Each annual cycle of enhanced science education programs will both open and close with the week-long celebration of science and technology in conjunction with local science and research firms, museums, colleges and universities and ...

Wolf reintroduction proposed in Scottish Highland test case

... the United States have not faced predation or fear such as that for 250 years. Deer densities in that country are now thought to be so high they are close to the food-limiting carrying capacity of the land, and have serious consequences on native Scots pine and birch regeneration. In Yellowstone Natio...

LincRNAs serve as genetic air-traffic controllers

... including stem cell pluripotency, cell cycle regulation, and the innate immune response. But even as one question was being answered, another was close on its heels: What, exactly, were these mysterious molecules doing? They now appear to have found an important clue. Described in the July 14 issu...

US Government Places 6,1 Million USD Orders Related to Precise Match-on-Card(TM) for Cyber Security Programs

...ldings, computers and networks. Precise Biometrics serves business and government organizations throughout the world and its technology is licensed to close to 100 million users. For more information, please visit http://www.precisebiometrics.com or see a presentation http://www.precisebiometrics...

French Authorities Give Sole Approval to GMAT Exam to Collect Biometric Data to Advance Security

... its use with other European countries. Portugal has already authorized it. GMAC expects to use the PalmSecure technology in all test centers by the close of 2009. The Graduate Management Admission Council ( www.gmac.com ) is a nonprofit education organization of leading graduate business school...

Ozone, nitrogen change the way rising CO2 affects Earth's water

...have shown that increasing CO2 is changing how plant "pores," or stomata, discharge water. With elevated CO2 levels, leaf pores contract and sometimes close to conserve internal water reserves. This "stomatal conductance" response increases water use efficiency and reduces the rate of transpiration. Pl...

Your own private global warming

...to cope with the conditions that they are likely to experience in the future. The study showed that several of these species are already living really close to their upper temperature range, and that further increases caused by global warming could easily provoke serious ecological imbalances in this regio...

Laboring without the labor bed: It's a good thing

...A wide variety of music was also made available. "The intent was to allow the women the ability to move about freely during their labour, to permit close contact with their support people, and to promote feelings of calm and confidence," says Hodnett. Reaction to the ambient room was overwhelmingly p...

Key to evolutionary fitness: Cut the calories

...y expenditure according to pup demand and their own fat reserves but did not exceed certain levels fitted with the group's theory that using energy at close to the maximum rate has costs for animals which may compromise their ability to successfully reproduce in the future. If a hare puts most of its ener...

Your own private global warming

...to cope with the conditions that they are likely to experience in the future. The study showed that several of these species are already living really close to their upper temperature range, and that further increases caused by global warming could easily provoke serious ecological imbalances in this regio...

New, less invasive genetic test greatly improves pregnancy rates in older women with poor prognosis

...to examine the first polar body means that this test can be used in countries where embryo testing is forbidden by law," said Dr. Fragouli. "We are close to applying technical innovations which will make this test even better, faster, and cheaper. We are also going to be using the test in cases where fe...

Natural-born divers and the molecular traces of evolution

...d combined it with the analysis of already published sequences from other species to reach their conclusions. They were careful to select species with close terrestrial relatives that could be used as a natural control group during the sequence comparison, so that differences at the molecular level could b...

Reading the brain without poking it

...imeter apart (about one-25th of an inch). Patient 1 had the ECoG and microECoG implants for a few weeks. The findings indicated the electrodes were so close that neighboring microelectrodes picked up the same signals. So, months later, the second patient received one array containing about 30 ...

A breath mint made from... coffee?

... We all know why Starbucks puts boxes of breath mints close to the cash register. Your morning latte can create a startling aroma in your mouth, strong enough to startle your co-workers too. But intriguing ...

Faculty of 1000 praised by Wellcome Trust

...luations to monitor the success of their funding support. To determine whether their grants were being put to good use, the Wellcome Trust analyzed close to a thousand publications resulting from Wellcome-funded projects . They assembled a group of reviewers to assess the merit of these papers, and foun...

Toxic molecule may help birds 'see' north and south

...molecular oxygen is that partner," Schulten said. "We propose that the reaction partner is not the benign oxygen molecule that we all breathe, but its close cousin, superoxide, a negatively charged oxygen molecule." When Solov'yov showed that superoxide would work well as a reaction partner, Schulten wa...

Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games

..., in fact, turned out to be more valuable in addressing this concern than major programs by the Chinese government to heavily restrict automobile use, close factories and slow construction during and before the Olympic games. These findings are among the final results just published in Environmental Sc...

Elephant-size loopholes sustain Thai ivory trade

...n of ivory jewelry, belt buckles and knife-handles. Much of the ivory being worked is illegally imported from Africa. Some workshop owners boasted close ties with European knife makers, while others reported sending ivory, steel and silver items to the US for sale in gun shops. "The Thai Government...
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