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Scientists discover new species of distinctive cloud-forest rodent

...kish crest of fur on the crown, nape and shoulders add to its distinctive appearance. Isothrix barbarabrownae, as the new species has been named, is described in the current issue of Mastozoología Neotropical (Neotropical mammalogy), the principal mammalogy journal of South America. A color illustrati...

100 percent juices found as beneficial to health as fruits and vegetables

... than whole fruit and vegetables.? The researchers add that the positioning of juices as being nutritionally inferior to whole fruits and vegetables in relationship to chronic disease development is “unjustified?and that policies which suggest otherwise about fruit and vegetable juices should be re-exami...

Researcher examines polymers created with poultry feathers

...radable polymers created from poultry feathers may add value to the poultry industry and help solve the growing environmental problem of plastic waste. According to the U.S. Environmental Protection Agency, more than 29 million tons of non-biodegradable plastic waste ends up in landfills each year. Just...

Cholera pathogen reveals how bacteria generate energy to live

.... In two recently published papers, the scientists add key specifics to the molecular mechanism behind the pathogen that causes cholera. The work could provide a better understanding of this pathogen, while also offering insight into how cells transform energy from the environment into the forms required...

Fake pesticides threaten food safety

...g evidence with intention to prosecute". This will add to the list of successful action PSD have already taken against companies dealing in illegal pesticides. Twenty-four companies were issued with warnings in October at the British Crop Protection Conference in Glasgow for illegally promoting products....

Evolution of Old World fruit flies on three continents mirrors climate change

...samples separated by fewer than two decades." They add that such rapid genetic changes are likely to occur much more quickly in organisms with short life spans, such as a fruit fly, which can produce several generations in a single year. "In the long term, this suggests that climate warming is already...

New brain-chemistry differences found in depressed women

...id not respond to medication. The new findings add the mu-opioid system to the list of brain systems that appear to be altered in depression. Others include the corticotrophin-releasing hormone system, and those involved in noradrenaline, dopamine and serotonin production. "Further research on th...

Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census

... dinosaurs waiting to be found. His findings also add evidence that dinosaur populations were stable, and not on the decline, in the time shortly before their extinction 65 million years ago. Dodson proposes that 1,850 genera (the plural of genus, an organizational group comprised of one or more separ...

Researchers link ocean organisms with increased cloud cover and potential climate change

...ction between clouds and biological activity could add a critical new component to global climate models. Many environmental scientists believe that increased cloud cover may be partially countering the effects of global warming by reducing the amount of energy the planet absorbs from the sun. Resear...

New technique boosts size of proteins that can be analyzed

...processes as oxidation and acetylation of proteins add chemical groups and alter how a protein functions, such as modifying an enzymatic pathway. The bottom-up approach is limited because the samples seldom have masses that represent all the pieces of the protein, and masses can usually be matched to sev...

Rearing an army to save wheat

...ded to each cage and to determine the best time to add the wasps. The current research shows that enough parasitoids can be produced to establish a founding population in an infested wheat field using the straw residue from a single mass-rearing cage. Mass-rearing of the parasitic wasps is only one of...

Carnegie Mellon scientists use 'green' approach to transform plastics manufacturing

...plex polymer structure using a special catalyst to add one or a few monomer units at a time to a growing ...progresses, CuII builds up. Typically, researchers add more CuI to compensate for this effect and maintain the balance between the two copper species. But ...

Study illuminates how the plague bacteria causes disease

...ignificant impact on virulence." The results also add to broader themes in the evolution of bacterial diseases, the researchers added. "It is becoming increasingly clear that a common strategy used by bacterial pathogens to manipulate host cell biology is the mimicry of their own biochemical processes...

A key antibody, IgG, links cells' capture and disposal of germs

...vard's Faculty of Arts and Sciences. "Our findings add yet another immunological task to the list of those handled by IgG." While just one of several broad classes of human antibodies, IgG is by far the most important -- so much so that patients incapable of making their own antibodies to fight off in...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

...scles ?four times as much as humans ?to which they add this oxygen-conserving step of not shivering, Folkow said. By allowing body temperatures to drop, they slow metabolism and reduce oxygen demand. In addition, since shivering itself requires oxygen, there is an oxygen-conserving advantage to not shive...

Developing uses for sugar-cane bagasse: Biotechnology applied to the paper industry

...ccase when it grows on bagasse. It is necessary to add volatile agents such as ethanol, in order to increase production of the enzyme under these conditions. Ethanol was chosen as a laccase-inducer in this study because of its abundance, its low toxicity and low production cost. The research team moreove...

U of S Vaccine and Infectious Disease Organization team discovers key step in flu virus replication

...nza treatments and prevent the disease, as well as add to global pandemic preparedness research." To survive, the influenza virus hijacks the host animal or human's cellular machinery and forces it to make more copies of the virus. The researchers believe that the cellular events involved in this proc...

Ferns provide model for tiny motors powered by evaporation

...closed device opens wide---it moves. They plan to add electrical components to the device in an attempt to generate electricity. They predict that the device will be able to generate the same amount of electricity as other scavenging devices, say, a solar cell in a calculator. The ideal application, Bo...

The first tree genome is published: Poplar holds promise as renewable bioenergy resource

...duction. "Under optimal conditions, poplars can add a dozen feet of growth each year and reach maturity in as few as four years, permitting selective breeding for large-scale sustainable plantation forestry," said Dr. Sam Foster of the U.S. Forest Service. "This rapid growth coupled with conversion of...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

...o both age and dose. The authors say their data add to growing evidence that during puberty, the brain is still maturing and, says Taravosh-Lahn, "could possibly react to drugs given to adults in different and potentially negative ways. We need to understand how these drugs will affect the developing...

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