Despite Odds, Little Known Grauer's Gorillas Persist In Central Africa
...reatened gorilla numbers. Several localpopulations documented by Schaller had vanished. Hall and others argue that continued support for the Congolese park service is essential duringthese troubled times. "Our data show parks have made a difference. Even in a war-torn country with a very badeconomy there is hop...Some AIDS Patients May Show Resistance To Sulfa Drugs
...me types of genetic mutations have been previously documented to be associated with resistance to sulfa in certain strains of meningitis, streptococcus and malaria. The study authors say it was not possible to determine what caused the mutations or if the mutations represented actual resistance. Kazanjian and ...Wildlife Dying At The Doorsteps Of World's National Parks, Study Says
...nd co-author of the study. The researchers documented staggering death rates among predators alongthe borders of protected areas throughout the world. In Algonquin National Parkin Canada, for example, humans caused more than half of all gray wolf deaths. In Yellowstone, 89 percent of grizzly bear death...Study 'Gone With The Wind' Provides Stellar Ecological Example
... "To my knowledge, this is one of the best documented studies of theeffect of catastrophic disturbances," said Losos. "We have before-and-afterdata, a set of islands that were devastated as opposed to others that weremoderately damaged, and multiple islands from which we can deduce generalprinciples. ...Open-Air Experiment Shows High CO2 Boosts Tree Growth
...il fertilityand periods of drought. The scientists documented the increased growth by makingtree-girth measurements about three feet above the ground. Another study by Duke graduate student Jacqueline Mohan showed that highCO2 at FACTS-1 also boosted the growth of tree seedlings and saplings that willfo...USGS Scientists Learn Lessons From Captive Released Manatees
...oast in the past 20years. Mo is the first manatee documented to move so far offshore, more than 60miles from Ke...leased in Florida, butGeorgia is the first we have documented to give birth," Lefebvre. She said USGSscientists have observed Georgia engaged in normal nursing ...New Study Highlights Hazards On Hormone Disrupting Chemicals
...nfish, predatory birdsand fish-eating mammals. The documented effects have in most cases beencorrelated towell-known contaminants such as DDT and PCB or to contaminants present ineffluents from thepulp and paper industry. According to the report, available data do not indicate a risk for adverseeffects in the ...New Evidence From Dinosaur Footsteps Show Massive Herds Once Roamed Northern Alaska
...ears ago. Previously, therewas only one, poorly documented trackway on the Alaskan Peninsula. "This summer, we found dinosaurtracks from meat and plant eating, duckbilled and armored dinosaurs," said Roland Gangloff, curator ofearth sciences at the UA Museum. "Now we know dinosaurs flourished in Alaska even ......s chain of ecological consequencesare less clearly documented than others. He said he feels least sure about wha...ndother researchers studying the species' recovery documented its importance inthe coastal ecosystem by comparing areas with and without healthy sea otterpopulati...USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs
...in all amphibian groups. These losses are now well documented and have occurred in a wide range of habitats, including remote and pristine areas in California, the Rocky Mountains, Costa Rica, Puerto Rico, and Australia. On Sept. 22, the federal government's interagency Taskforce on Amphibian Declines and Defor...Greater Prairie Chicken Appears On Comeback Trail In Illinois
... jurisdictions. Each yearresearchers methodically documented yearly changes in prairie-chicken numbersand nesti...s to corroborate it,"he said. Researchers also had documented that no major environmental or climatic eventscould have accounted for the increased hatching rates ...Amid Albanian Turmoil, Archaeologists Unearth Secrets Of The Stone Age
...998 findings in central Albania represent the only documented discovery in Albania in the past 50 years of pre-Neolithic artifacts found lying out in the open rather than inside caves, Davis said, adding it is the first such finding in central Albania. Davis and project co-director Muzafer Korkuti of the Instit......provementwas even more remarkable: The researchers documented a 27 percent increase instrength over untreated muscle in these mice -- fully restoring their strengthto what it was in young adulthood. The technique suggests human therapies that could reverse the feeblenessassociated with old age or counte...Fossil Eggshells Hold Clues To Major Animal Extinctions As Reported In Science
...ting. Miller's group cleared this hurdle when they documented the timing of theextinction of Genyornis newtoni , a ponderous flightless bird with thick, shortlegs that weighed around 200 pounds--twice as much as the modern day emu. Theyused a variety of alternative dating techniques (not based on radiocarbonis...Bacteria Becoming Increasingly Resistant To Antibiotics, But New Vaccines Are On The Horizon
...d had two episodes of infection, 181episodes were documented in the findings. Dr. Arditi said the study looked atthe clinical presentation, hospital course and outcome, taking intoconsideration the antibiotic resistance patterns of the pneumococci causing theinfection. Researchers then determined whether th...AAAS Report Attributes Majority Of Killings In Guatemala To State
...tive data that attributes 97 percent of the 37,255 documented cases of killings and disappearances to the state as part of a deliberate government policy of extra-judicial killing, and less than 1 percent to the armed opposition. The report, titled State Violence in Guatemala, 1960-1996: A Quantitative Reflecti......calcium supplementationin patients with previously documented polyps. "Adenomas or polyps may develop into colorectal cancer. Less than one year intothe study, we saw positive results from calcium -- fewer adenomas and so, lesspotential for cancer," said Baron. Although most polyps in the large bowel are benig...Amphibian Revival: Build It And They Will Come
... However, very few of the reports or studies have documented data ofmore than a few years. A team headed by Owen Sexton, Ph.D., professor emeritus of biology in Arts andSciences at Washington University, repopulated ponds at Tyson Research Centerwith egg masses of both wood frogs and spotted salamanders and ca...Scientists Study Protein's Role In Tumor Development In Fish
... that spontaneously appear and disappear have been documented inother cold-blooded animals, but Holzschu says this is the first time thesetumors have been linked to a retrovirus. The scientists have deciphered theretrovirus' gene sequence and have identified most of the proteins these genesproduce. Now they are......extremelyrare among octopods. Previously the only documented examples were in twospecies where bioluminescence appears as a glowing ring around the mouths ofbreeding females - glow-in-the-dark lipstick perhaps? What makes the light producing abilities of this particular octopus,Stauroteuthis syrtensis, parti...