Tag: "preserves" at biology news

Once A Bully, Always A Bully, Invasive Non-Native Plants Tend To Be Aggressive Wherever They Find Themselves

... Miami report on research that suggests thatnature preserves may not be as safe for conservation of native species aspreviously believed. "We found that in the aftermath of Hurricane Andrew, non-native forest speciescompeted with native forest species for regeneration opportunities, exhibitingthe same range of...

Harvard and Alexion researchers report successful transplantation of immuneprotected neurons in primate model of Parkinson's disease

...itors intervene atan optimal point which generally preserves the normal disease-preventingfunctions of complement proteins while generally inhibiting the disease causingactions. 5G1.1 is a novel fully humanized monoclonal antibody, specificallydesigned to deliver potent anti-complement and anti-inflammatory a...

20th century marks achievements in food science and technology

...frozen product in a vacuum chamber. Freeze-drying preserves food, but retains its original flavor, aroma, size, shape, and texture when rehydrated. Computer control in processing plants first introduced, improving product quality and efficiency. FDA approves irradiation to disinfest wheat and wheat flour (1...

Complex mystery of amphibian decline calls for a new kind of science

... which include multi-species extinctions on nature preserves and other relatively pristine lands. Recently, Collins and other researchers have found evidence that a couple of different pathogens might also be involved -- one an iridovirus and the other a chytrid fungus. Both are from familiar and common grou...

How a hormonal henchman triggers death

...e burst of diap2 activity right before its death preserves an important final function it's trying to hold onto." One pleasant surprise, said Thummel, was that the pathways seemed relatively simple. "We unexpectedly found that the hormone receptor directly regulates transcription of the reaper gene," sai...

$1.5 million awarded to marine conservationists

...frican coastal harvesters to conduct research that preserves marine biodiversity. Jose Orensanz, Research Scientist, CONICET, Chubut, Argentina Facilitating collaboration between fishermen, scientists, and fisheries managers in South America. Ellen Pikitch, Director, Marine Program, Wildlife Conservation Socie...

'Radical' discovery dedicated a National Historic Chemical Landmark

...storic Chemical Landmarks program commemorates and preserves landmarks in the history of chemistry, and heightens public awareness of the key role chemistry has played in the history of the United States and nations around the world. WHO: Dr. Daryle Busch, ACS President University of Kansas WHAT: Designation...

New treatment makes fruit juices safer

... of time. Using carbon dioxide instead of heat preserves the flavor of the juice while still killing pathogens. Pressurized liquid carbon dioxide is added to the juice at room temperature. After ten minutes, the mixture is depressurized. The carbon dioxide turns into a gas and escapes, leaving behind a pu...

Ion microscopy pinpoints drugs inside cancer cells

..., "The preparation of cells with cryogenic methods preserves the native chemical and structural makeup of the cells for ion microscopy analysis." The ion microscopy group at Cornell developed a way of growing cells on silicon chips and cryogenically preparing them with a method called "sandwich fracture." Thi...

New rare dinosaur tracksite found in northern Wyoming

...170 million years old, this newly discovered layer preserves evidence that dinosaurs that inhabited this part of Wyoming may have been swimmers. The Gypsum Spring Dinosaur Tracksite was first discovered in 1999 by Walter Parrs Jr., a New York City resident visiting a local ranch. It includes impressions made ...

Small streams important in controlling nitrogen

...e areas -- primarily national forests, some nature preserves and reservations. Next we would like to include streams in agricultural and urban landscapes" Webster says....

New study puts dinosaur noses in their place

...ioned incorrectly. Because the fossil record only preserves bone, paleontologists look to dinosaurs' modern-day relatives to reconstruct soft tissues such as muscles, veins and arteries. So for this project, Witmer studied 62 animals from 45 species of crocodiles, birds and lizards, documenting the placement ...

December Media Mighlights: GEOLOGY and GSA TODAY

...s in the supposedly ice-covered ocean. This ratio preserves a record of the ocean's organic productivity. According to the snowball Earth hypothesis, during times of exceedingly low productivity, the isotopic ratio ought to have approached mantle values of ~-5 to -6 per mil. The new data, obtained from mult...

HIV-like virus detected in wild chimpanzee

...anzee, so that it is less pathogenic and therefore preserves itself in its host. Importantly, we can also explore how SIVcpz in troglodytes animals differs from that in schweinfurthii animals, he said. Detailed comparative molecular analysis of the infectious mechanisms and pathogenicity of the different str...

Natural antifreeze yields secrets

...ndom structure stops ice crystals from growing and preserves liquid water around the protein, said John Crowe, who with Fern Tablin of the UC Davis School of Veterinary Medicine heads the biostabilization group. The antifreeze proteins also stabilize cell membranes during chilling, Crowe said. As the temperat...

'Rock-paper-scissors' preserves biodiversity in bacterial neighborhoods

... left," Bohannan says. Localizing the interactions preserves genetic diversity, Bohannan says. "Say you have a genotype that's not a particularly strong competitor. Having interactions and dispersal localized might allow it to persist over time because it essentially has a refuge from its competitors." The res...

The prehistory of neotropical lowland forests

...Calcite deposited in caves over thousands of years preserves information on changes in rainfall over time. Matt Lachniet of STRI reported on work (with collaborators Y. Asmeron, S. Burns, W. Patterson, G. Seltzer, C. Wurster, and D. Piperno) on oxygen isotope ratios from cave deposits in Panama and Costa Rica,...

New study promises safer hormone replacement therapy

...east-cancer cells in a Petri dish. While estrogen preserves the mass and function of female sex organs, it has...de a safe form of hormone replacement therapy that preserves and even builds bone, without affecting the reproductive system. He added that estren may even prov...

Study shows fossil records remain stable in storm beds

...ct fossils in a rock bed, we like to think the bed preserves the original structures of the organism's habitats; and, after analysis, I believe I'm seeing close to the original structure of the sea floor." In other words, scientists looking for a past analog for what they are seeing today, such as the diversi...

Two Max Planck researchers recieve the Louis-Jeantet Prize for Medicine 2003

...ut analyses objects in a rapidly frozen state that preserves their structure. Multiple images are recorded from different angles, which are subsequently combined to generate three-dimensional images by computers. Previously, Wolfgang Baumeister made essential contributions to the structure and function of the ...

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