Tag: "monkey" at biology news

North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago

...onifers," include the Norfolk Island pine, Chilean monkey puzzleand Wollemi pine. "The basic point of the study is that we can determine the impact angle ofthis object and that the angle matters," D'Hondt said. Most scientists studythe aftermath of collisions that caused Earth's craters as if objects struc...

First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall

...e animals now descend to eat "unnatural"rations of monkey chow, their keepers are varying their feeding sites. That'sto discourage dependency and encourage them to range widely. Happily, the lemurs at Duke and St. Catherine's Island are also foragingfor wild plants as they will have to do in Madagascar. An...

Jefferson Scientists Discover Mechanism Of Viral Link To Disease Commonly Associated With Asbestos

...d direct evidence of a potential mechanism of a monkey virus in the development of mesothelioma, a rare connective-tissue cancer commonly associated with asbestos exposure. In research reported in the August 3 issue of Nature Medicine , Dr. Giordano's team found that simian virus 40 (...

Further Proof That An Altered Rb-2/p130 Gene Leads To Lung Cancer

...ano's team found direct evidence of a potential monkey virus mechanism behind the development of mesothelioma, a rare connective-tissue cancer commonly associated with asbestos exposure. The virus rendered key tumor-suppressor genes ineffective. The finding was particularly significant, Giord...

Duke Lemurs Are Released In Madagascar

...ested from the forest,supplemented with commercial monkey chow. Since all were in good health, the release ... days, where they could be sure of an easy meal of monkey chow.Completely contrary to our predictions, within five minutes all of the lemurshad moved away fro...

Recombinant Protein Immunizes Mice, Promises New Strategy Against Infection And Cancer

...oung and his colleagues are creating a recombinant monkey vaccineconsisting of the heat shock protein fused to a protein from the SimianImmunodeficiency Virus (SIV). Researchers plan to test the efficacy of thisvaccine in macaques. When germs enter the body, the immune system responds in two ways...

Widespread Genus Of Monkeys Gives Up Genealogical Secrets To Columbia Researchers

...he Rh blood factor was isolated, the Japanese snow monkey and the Taiwanmonkey. In fact, the more recent Co..., Taiwan and Japanese macaque lineageis the rhesus monkey itself, the researchers believe. They advocate abolishingfascicularis as a classification, and pla...

Colon Cancer Linked To Genes, Not Lifestyle

... Despite a simple diet of high-fiber monkey chow and fruit, a relatively nonstressful environment, lack of exposure to known carcinogens, and good veterinary care-old monkeys often get colon cancer, Uno discovered. "As in humans, the ...

Social Stress Shortens Lives Of Monkeys With AIDS

...ith simian immunodeficiency virus (SIV) in several monkey colonies in the United States. They discovered that the monkeys that had been separated from familiar companions died earlier than those that had not. Intrigued, Capitanio began a prospective study to examine the physical effects of social stress in ...

Social Disruption Leads To Shorter Survival In Monkeys With AIDS

...to have a more serious impact if they occur when a monkey is first infected rather than at later stages of the disease, according to John Capitanio, assistant professor of psychology at the University of California, Davis, and co-author of the study published in the May-June issue of Psychosomatic Medicine...

News Backgrounder: Duke Primate Center Successfully Fosters Mysterious Aye-Ayes

...technicians put the basic aye-aye diet, a gruel of monkey chowflavored with vanilla, into a hollow bamboo tube or other container so that theaye-aye has to fish it out to eat. As an occasional treat, the technicians alsofetch from Duke Forest a rotten log that the animals can tear apart looking forgrubs. "T...

Monkeys Have Numerical Abilities, Two Columbia Psychologists Report

...th the larger number ofobjects. For example, if a monkey was shown one picture with five large circlesand a...hat represent numbers? How hard would it be for a monkey tolearn a nonconsecutive numerical sequence, for example, three-one-four-two? Ms.Brannon and Prof. T...

Human Neural Stem Cells Advance Distant Prospect Of Reseeding Damaged Brain

... and his collaboratorshave injected the cells into monkey fetuses to explore the possibility of inutero or early postnatal cell therapy. Much research into "embryonic" stem cells remains hobbled by ethicalconcerns that keep in place a ban on Federal funding for work with humanembryonic tissue. Snyde...

A sharper look at the brain

...ossible togenerate high-resolution pictures of the monkey brain in a quality never seenbefore. A research gr...antirrigation prevents any damage to the eyes. The monkey wakes up and is fullyconscious an average of 15 minutes after the experiment. The new techniqueplace...

From lemurs to gorillas, new book explains primate anatomy

..., scientists had categorized a smallSouth American monkey called a Callimico as a vertical clinger, because it wasobserved leaping between vertical bamboo stalks. However, when the animal wasstudied in forests with branched trees, it moved on all fours like any othermonkey. "I think we humans tend t...

Oregon Health Sciences University researchers take steps to genetically modify monkeys for the research of human disease

... at OHSU were able to insert DNA material into the monkey eggs by attaching foreigngenes to the outside of monkey sperm. The scientists inserted DNA from jellyfish that encodes a genefor a glowing green protein. Th...

Genes or environment: what shapes the sensory homunculus?

...t take up most of the sensory brain space, whereas monkey brains dedicate large areas to the hands and feet. Flanagan speculates that in humans genetic variations in how much space the brain devotes to each body part might help explain the difference between an average person and, say, a gifted musician. Th...

Monkeys pay one another for work

... of the monkeys on a weighted tray. An individual monkey could not pull the tray within reach on its own, b... cooperatively. When successful in the effort, the monkey that secured the food consistently shared it with the helper. "It was remarkable that t...

Anti-cancer compound could cause serious liver damage, report University of Pittsburgh scientists

... The investigators also exposed cultured mouse and monkey hepatocytes to TRAIL but found that this compound did not trigger cell death, thus confirming results of earlier whole-animal studies. Human liver cancer cells proved sensitive to TRAIL, as initially reported. TRAIL kills a cell by interrupting it...

NIH scientists unravel clues to ebola hemorrhaging

...e Ivory Coast are usually fatal to humans, while a monkey strain that infected laboratory workers in Reston,...tion of the protein caused it to destroy human and monkey endothelial cells in the test tube. The protein also caused isolated blood vessels to leak, which m...

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