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Electromagnetic phantom exorcises specters of metal detector tests

...ng style and changes in a particular persons gait or position at each pass makes standardization impossible. The second method is reproducible, but it cant tell evaluators how a human body may impact the WTMDs ability to discriminate between weapons and innocuous objects. The solution for both problems...

Pacific coast turning more acidic

... for a period of time. They may be adapting, he said, or they may already be suffering consequences that scientists have not yet determined. You cant just splash some acid on a clamshell and replicate the range of conditions the Pacific Ocean presents, Hales said. This points out the need for cross-...

Saltwater sleuths: Seeking clues to help determine the ages of fish and shellfish populations

...08 GARM for production aging, research aging has not been a major focus this past year but this is something the group plans to return to soon. You cant estimate fishing mortality and be able to say anything reliable about stock status unless you know the demographics of the various populations, Burnet...

Montana State University researchers map iron transport protein

...regulate iron levels in the blood. Iron is essential, Lawrence said. You cant live without it, but its a double-edged sword. Too much of a good thing can.... Its kind of a black art really more than a science, Lawrence said. You cant always predict the kind of witchs brew that needs to be around to get it to...

The photonic beetle

...nthetic version of the beetles photonic crystals, using scale material as a mold to make the crystals from a transparent semiconductor. The scales cant be used in technological devices because they are made of fingernail-like chitin, which is not stable enough for long-term use, is not semiconducting ...

Turning back the clock for Schwann cells

...ervous system, Schwann cells can dedifferentiate into a state in which they cant manufacture myelin. Reverting to an immature type of cell speeds healing of...n cells, oligodendrocytes, the myelin makers in the central nervous system, cant revert to an immature state. Whether c-Jun affects oligodendrocyte differen...

Research examines factors in delaying or declining total knee replacement surgery

...eep hoping it will get better. The waiting and worrying stage begins after deciding to undergo surgery. One person said I put this off for years. I cant wait to get it over with. This period involves worrying that something can go wrong. The experience of letting go and letting in was described as ...

Molecular 'clock' could predict risk for developing breast cancer

...d medications that interfere with methylation might provide a new approach for reducing breast-cancer risk. Even if theres a lot of methylation, I cant tell for sure if a woman is going to develop breast cancer, Dr. Euhus said. However, if I took two women from our study and one had more methylation t...

Fruit fly avoidance mechanism could lead to new ways to control pain in humans

... wildly in the sugar-rich environment until nature sends them an offer they cant refuse. To survive, they must leave the fruit, wander off and burrow into t...e nervous systems in real time amid massive amounts of data. Fruit flies cant really stay in the rotting fruit where they are laid. Not only do they risk...

Rainfall and river networks prove accurate predictors of fish biodiversity

...ysical Union publication on how river networks affect the spread of cholera epidemics. Seeds and bacteria are different from fish -- obviously they cant swim upstream, said Rodrguez-Iturbe. But like fish, their distribution is dramatically impacted and controlled by the river network. In order to co...

Scripps Oceanography Research pegs ID of red tide killer

...rons in diameter are known to swim through the ocean with long flagella, or appendages, are attacked by bacteria that are about one micron in size and cant swim. Its somewhat shocking to think of something like three chipmunks attaching themselves to an elephant and taking it down, said Franks. Whil...

Decade of the Mind symposium in Iowa to emphasize need for $4 billion in federal support

...Foundation. I am committed to a robust federal role in supporting basic, long-term scientific research the kind of research that the private sector cant always do by itself, he added. The Decade of the Mind initiative was established at George Mason Universitys Krasnow Institute for Advanced Study, fo...

Study links low-frequency hearing to shape of the cochlea

...e energy in the low-frequency waves is forced against the cochleas walls, Manoussaki says. Animals like mice, which have a radii ratio of about two, cant hear much below 1000 hertz (Hz). Species like cows and elephants, which have a ratio of about nine, hear sounds as low as 20 Hz. The power of this app...

Journey to the center of the earth: Discovery sheds light on mantle formation

... discovered on a mid-ocean ridge, allowing Snow and his colleagues to recover many mantle samples. I just about fell off my chair, Snow said. We cant exaggerate how important these rocks are theyre a window into that deep part of the Earth. Venturing out aboard a 400-foot-long research icebrea...

Cow stomach holds key to turning corn into biofuel

... the cellulose is in simple sugars, it can be fermented to make ethanol. It will save money in ethanol production, Sticklen said. Without it they cant convert the waste into ethanol without buying enzymes which is expensive. The Spartan Corn line was created by inserting an animal stomach microbe...

Synthetic molecules may be less expensive alternative to therapeutic antibodies, researchers find

... peptides. Some peptides are used as medications, such as insulin or antibodies used to treat some cancers, but because the stomach digests them, most cant be taken by mouth and must be injected. By contrast, peptoids are resistant to the stomach enzymes that degrade natural peptides, so it is possibl...

Are animals stuck in time?

...nce they discovered a piece of cheese, be it a little or a lot, but they dont actually form memories of when the discovery occurred. That is, the rats cant place the memories in time. The research team, led by Roberts, designed an experiment in which rats visited the arms of a maze at different times o...

American Chemical Society's Weekly PressPac -- March 19, 2008

...his science among college students and the general public, the article suggests. But instant crime-solving remains the stuff of fiction. Real chemists cant always come up with solutions quite that fast. But theyre working on it, Jacoby notes in the article. ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME...

State, UH teaming up to reduce (ob)noxious air emissions

...s from stationary sources, such as power plants and refineries, as well as mobile sources. Industrial complexes are the easiest place to start, but we cant meet EPA and TCEQ requirements without tackling diesels. Since 2002, the Texas Diesel Testing and Research Center has developed and tested emission...

Protein protects lung cancer cells from efforts to fix or kill them

...ts designed to kill them. Cancer is frequently associated with the accumulation of genetic aberrations in cells chromosomes. If these damaged cells cant access their built-in repair system and subsequently survive long enough to divide and multiply, they pass along their mutations. If a cell experie...

Scientists discover how cigarette smoke causes cancer: Study points to new treatments, safer tobacco

...exposed cells did not. Guns kill, bombs kill and cigarettes kill, said Gerald Weissmann, MD, Editor-in-Chief of The FASEB Journal. While biologists cant do much about the first two, studies like this will help in the fight against tobacco-related death and disease. These experiments not only pin-point...

Helping back pain sufferers to stay in work

...omes and goes. Some employers really want to help but dont know who to ask for advice, while others think their staff are malingering, and the company cant afford to keep them on. Closer links with local employers will increase their understanding of managing back pain at work. After interviewing 16 pa...

Salamanders, headwater streams critical in food chain

...ound. They live in places most people dont see, and they live in these small, headwater streams where there are no other fresh-water vertebrates. Fish cant exist in these small streams. This is where water seeps out of the rock, where all streams begin life as a stream. These headwater streams, accord...

MIT: No easy answers in evolution of human language

...y is daunting, as ongoing disputes over the significance of language experiments with apes, parrots and dolphins have made clear. Berwick says, If you cant define what it is, why study it from an evolutionary point of view? Its more likely, Berwick says, that the role of the Foxp2 gene in language is s...

New tool for resolving fisheries conflicts

...nt on protecting as much as 30 per cent of the worlds marine habitats. We must certainly be mindful of the need to protect marine biodiversity, but we cant forget those who are dependent on the fishery for their livelihoods, says Dragicevic, who is also funded by the Social Sciences and Humanities Researc...

Oregon researchers study widespread areas of low oxygen off northwest coast

...cience center in Newport, Ore. The fish have simply moved out of these areas and are probably doing fine elsewhere, said Peterson. But animals that cant move to better waters like Dungeness crabs, sea urchins and starfish will perish. Peterson added that during the summer of 2006, anoxia a complete...

Stanford researchers say living corals thousands of years old hold clues to past climate changes

...cal officials, he said. The long-lived corals grow so slowly that any level of harvesting is unsustainable; they take so long to grow that they simply cant replace themselves fast enough to survive even minimal harvesting. Second, a 4,000-year-old coral, having stood in the same place in the Pacific Ocea...

Seeking sustainability in a world of instability

...anagement to achieve regional consensus on how best to respond. Groups cant just act as individuals, and they cant just share decision making, we need to think carefully about systems of ada...

Quantum weirdness, parallel worlds, dinosaur poop, and the ultimate fate of the universe...

...won the 2007 AIP Science Writing Award in the Journalist category for his Discover Magazine article, "If an Electron can be in Two Places at Once, Why cant You"" See: http://discovermagazine.com/2005/jun/cover . James Trefil won the 2007 AIP Science Writing Award in the Scientist category for his Astr...

Body part by body part, Sumatran tigers are being sold into extinction

...gh our fingers, said Leigh Henry, program officer for TRAFFIC North America. There are only about 400 Sumatran tigers left and such a small population cant sustain this level of poaching. If enforcement and political will are not bolstered the Sumatran tiger will be wiped out just as the Javan and Bali t...

Moss protein plays role in Alzheimer's disease

...es and protein function, Kopan said. Unfortunately, were doing it one gene at a time, slowly building networks, figuring out what the context is. We cant think of all of it at once. We have to look at a small subset of genes and how they work with their friends, and hope that our observations will fit ...

Slow-motion video study shows shrews are highly sophisticated predators

...ize of a mouse, water shrews have such a high metabolism that they must eat more than their weight daily and can starve to death in half a day if they cant find anything to eat. As a result, water shrews are formidable predators ounce for ounce. Water shrews do much of their hunting at night so I began w...

2008 Pew Fellowship in Marine Conservation awarded to Dr. Marie-Joëlle Rochet from IFREMER

...to avoid far-reaching negative impacts, said Dr. Pikitch, a conservation biologist and a 2000 Pew Fellow in Marine Conservation herself. The ocean cant speak for itself, and the Fellows are people who give it voice. Since the early 1990s, the Pew Fellowship in Marine Conservation has been awarded ...

2008 Pew Fellowship in Marine Conservation awarded to Fan Meng; first Chinese fellow

...y in need of protection, said Dr. Pikitch, a shark expert and conservation biologist, and a 2000 Pew Fellow in Marine Conservation herself. The ocean cant speak for itself, and these are the people who give it voice. ...

2008 Pew Fellowship in marine conservation awarded to UM Rosenstiel's Dr. Andrew Baker

...y in need of protection, said Dr. Pikitch, a shark expert and conservation biologist, and a 2000 Pew Fellow in Marine Conservation herself. The ocean cant speak for itself, and these are the people who give it voice. The mission of the Pew Institute for Ocean Science is to advance ocean conservation...

Impoverished areas of Africa and Asia face severe crop losses from climate change in 20 years

...cultural productivity in the developing world, and our study will help show where these investments might be the most worthwhile, she said. We know we cant do everything right away, but this helps us know where to start. Naylor and her colleagues at FSE have begun looking at other aspects of climate an...

A pilot program for harvesting Kodiak rockfish

...rket resistance to fresh rockfish. The price fishermen received, while higher than before, wasnt as much as some hoped. With any major change, you cant expect to achieve all benefits in the first year, but the participants in Kodiaks Rockfish Pilot Program are very pleased with the success of the coop...

Iowa State researcher studies how enzymes break down cellulose

...ps up one cellulose chain from a cellulose crystal and feeds it into a tunnel on the main enzyme surface so that it can be chopped up. Reilly, who cant resist a lesson in biochemistry, likes to explain how enzymes attack and break chemical bonds. Hell display diagrams on his office computer that show ...

In nature -- and maybe the corner office -- scientists find that generalists can thrive

...attack. Sometimes they get attacked and dont defend themselves. For something that you would think would be so simple, its much more complex. Behavior cant be predicted even in this one group, he said. And thats why its attractive to apply this concept of incomplete division of labor to humans, Waite s...

U. of I. librarian launches comprehensive Web database of field guides

...ups, and range maps and other useful details that help users decide which field guide to use. Still, the site has one limitation, Schmidt said: You cant link to the actual book either at a library or a bookstore. Thats an upgrade that Id really like to make, she said. Schmidt believes that amate...
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