Offshore DDT Deposit Spreading, Research Suggests
...another sediment contaminant) in the water samples collected at various distances from the ocean floor at numerous points along the PVS. He collected the samples by pumping large volumes of water (1,100 to 2,300 liters) through glass-fiber filters an......, surveying thenumber of males present in each and collected detailed behavioral data on six ofthe colonies, tracking all individuals. Dominance behavior or aggressive social interactions occur at a high rate inmany insect societies, according to O'Donnell. Up to now, this behavior was onlyknown to be expresse...Old Bone Collection Reveals Basis For Some Dizziness
Using a library of almost 1,000 skull bones collected for more than 30years at the Johns Hopkins Medical Institutions, researchers have identified aconsistent congenital basis for a rare but troubling disorder they discovered inwhich loud noises cause dizziness. Their findings are to be presented Feb. 1...Technologies Track, Map Fish Behavior
...elocity over a large volume of water. Information collected by themultibeam sonar tool is transferred to computer software designed by PacificNorthwest. This software, called MTrack, tracks individual fish and allows forcreation of a three-dimensional animation of what took place underwater. "This i...Video And Data Link Provide Unique "Seal's Eye View" Of The World
...rmance and environmental characteristics. Thedata collected enables the researchers to compute the three-dimensional path ofindividual dives. "This combination of technologies will allow for major advancements inour understanding of the underwater behavior of marine mammals," noted PollyPenhale, who...Gene Study Shows Turtles Are Next Of Kin To Crocodiles And Alligators
...order to resolve the question. Hedges and Poling collected new data for two nuclear genes and added this newinformation to all gene-sequence data available for these species in the publicgenetic databases worldwide. The research included 24 genes from the nucleusand 9 DNA segments from the mitochondria of r...The Body's Anticancer Weaponry Backfires In Old Age
...tem that alsocomes with age. He and his colleagues collected blood samples from 15 retiredprofessors between the ages of 65 and 95 and from 15 students and staff between20 and 29. From the samples, they cultured two types of T cells, CD4 and CD8, which work on the immune system's front line to destroy invading...Major Set-Back To Ozone Layer Recovery
...on levels in CSIRO's uniquearchive of pristine air collected at the Cape Grim baseline air pollutionstation in north-western Tasmania. "Halons are now responsible for about 20 per cent of global ozone destruction.The continued growth of halon-1211 could be due to increased legal manufactureand release in China...Dartmouth Medical School Researchers Discover Heavy Metal Contamination In Northern Mexico
... In July 1995, roadside dust samples were collected from residentialareas within 2,500 meters of smelt...n inactive since1990. Samples from Monterrey were collected near an active lead crystal factoryand an inactive lead refinery. Monterrey, a city of 3 million pe...Chemical Contaminants May Inhibit Cancer-Fighting White Blood Cells
...een detected in seafood, such as fish and oysters, collected from coastalareas. Various groups have done studies suggesting that tributyltin levels havedecreasedin U.S. waters in recent years, and some studies suggest that seafood does notcontain enough tributyltins to cause human health problems. However, ...USGS Finds That Mysterious Arkansas Bald Eagle Disease Has Spread To Ducks In Eastern States
...versity of Georgia have confirmed that bald eagles collected from four newlocations (near Woodlake, North Carolina; Aiken, South Carolina; and StromThurmond Lake and Lake Juliette, Georgia) and coots from Aiken, South Carolina,died from the same brain disease that has killed at least 58 bald eagles inArkansa...Study Of Children's Fillings Finds No Mercury Exposure
... a 12th-centuryNorwegian church with primary teeth collected from Norwegian children in 1971and 1972 showed the latter contained 10 times as much mercury as teeth from thepre-industrial age children. Studies of rats exposed to mercury vapor showedmercury stored in rat molars correlated closely with levels of m...Researchers Find Unexpected Feature In Plankton Nervous System
...electron microscope images of thecalanoid copepods collected in Oahu's Kaneohe Bay. The authors had previouslyobserved that Undinula vulgaris are unusually fast in sprinting fromdanger -- responding to stimuli about a hundred times faster than humans. Myelin is a white fatty sheath that coats parts of the vert..."Protect Wild Dolphins" License Plate Sales To Fund Wild Dolphin Research Efforts Throughout Florida
...ture last year is now available statewide.Revenues collected from the sale of the plate will be used to help fund ongoingwild dolphin research and education programs, which are involved in the studyand preservation of wild dolphins in Florida Waters. The internationallyacclaimed Harbor Branch Oceanographic In...Functional Arteries Grown From Cells Using Novel System That Simulates Fetal Environment
...ponge, is 97 percent air. Smooth musclecells were collected from the animal arteries and were impregnated throughoutthe polymer tube. Once placed within the bioreactor, the tube was bathed withsimilar nutrients found in native vessels. "The bioreactor pulsed the nutrient solution through and around the tube,...First North Americans Had Chance To Be Avid Birders
...n the form of hundreds of tiny migratorybird bones collected in the Bluefish Caves, an archeologically rich group ofthree caves located about 50 kilometres southwest of Old Crow, Yukon, near theAlaskan border. The avian bones indicate the presence of at least 18 species ofmigratory birds in the area over a per...Earliest Modern Tree Lived 360-345 Million Years Ago
...inding, reportsMeyer-Berthaud. So, in 1996, Wendt collected the trunk and a number of otherspecimens and brought them back to Germany. Meyer-Berthaud, who has studiedArchaeopteris and other ancient plants for 20 years, was allowed to borrow thesefossils from the Museum of Geology and Paleontology of the Unive...Seeking Life At Its Limits Leads To Antarctica
...m the ice, whichwas thick enough to walk on. They collected ice samples, which they thawed andexamined for microorganisms, and started cultures of living protists to bringback to their labs. The areas with the greatest densities and diversity of protists were pockets ofslush and water in the ice with a seep h...Sandia, University Of Montana Researchers Try Training Bees To Find Buried Landmines
...contaminants. Pollen, dust, air, and other samples collected by the beesand brought to the hive will be analyzed for trace amountsof explosives. Sandia will examine the samples using highlysensitive chemical analysis tools to determine whether thebees can reliably indicate the presence of landmines in anarea o...Fossil Footprints Show Foot-Movement Similarity In Dinosaurs And Birds
...ere discovered by the researchers while they collected fossils along rockyoutcrops overlooking tundra and fjords on Greenland's east coast....