Ocean Sediments Contain Record of Past Vegetation Fires in Africa
...ll as grasslands. Research on modern-day air mass routes for the eastern tropical Atlantic region indicates that the sediment in the core lies below several large-scale circulation pathways originating in Africa. Says Sancetta, "Verardo's work is important because he has uncovered a record of burni...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...ance of fruit-rich habitatsalong coastal migration routes should be considered in land-management andconservation decisions. But Parrish urges private coastal land owners to be good land stewards too."Conserving native habitat in a backyard is simple and inexpensive," he said."Native shrubs, such as bayberr...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
... author of the Nature paper."Essentially all other routes to desensitization, all other ways toturn off this process in the past, have been drug molecules that acted onthe cell-surface receptor." However, said Casey, such drugs may berendered impotent because of the complex transformations that receptorsund...... ignored the alternative food sources and followed routes to the roots their scouts had found. The recruits may be following the scouts' signature scents, which are left in the tunnels or they may be following "map directions" provided by the scouts. To test that hypothesis, the biologists switched the tu...Sea Turtles Have Favorite Oceanic Routes
...ave learned that the turtles prefer specific ocean routes as if traveling an aquatic interstate highway. "They're all going along the same corridors," said Stephen J. Morreale, Cornell University doctoral candidate in zoology, who did the research for Cornell's New York Cooperative Fish and Wildlife Researc...New Research On Environmental Pollutants
... of contaminated fish is one of the major exposure routes of organicpollutants, such as PCB, for people in Sweden. Times To Pregnance And Miscarriages In Women With A High Dietary Intake OfPOC-Contaminated Fish Lowered Birthweight Among Infants Born To Women With High Intake Of FishContaminated With POC ...New Accident Record Analysis Shows Deer Mishaps Climbing
... onstate roads and only a small percentage on U.S. routes and interstates and intowns. Almost three-fourths occurred between 6 p.m. and 6 a.m. "Only about 8 percent of these accidents caused injuries to the driveror passengers, while over 45 percent of non-deer crashes resulted in injuries,"Rein...U.S. In The Midst Of A Heroin Epidemic, But Many Overdose Deaths Can Be Prevented
...morphine. Heroin is absorbed rapidly through all routes of administration. Itpeaks in the blood serum in less than one minute with intravenous use. Throughthe nasal passages or injection in the muscular tissue, the peak occurs in 3-5minutes. With injection in the subcutaneous tissue beneath the skin, th...Researchers Analyze Role Of Shear In Turbine Passage
...ne passage can be considered one of the more fatal routes that fishtake through hydroelectric dams. Mortality rates range from 4 to 20 percent,depending on factors such as type of turbine and type of fish. During passage through a dam, a fish experiences several changes inwater velocity and encount...Gene that causes familial British dementia may yield clues to Alzheimer's disease
...de clues to how AD develops. A number ofdifferent routes lead to dementia. This exciting discovery points to one thatwe didn't know about before." FBD may prove to be an ideal model to study the role of a different amyloid inthe development of a dementia similar to AD, as well as in dementias occurringi...Rockefeller researchers inject cells, boost immune system in humans
...ment more powerful by giving booster shots,varying routes of injection and looking at different maturation states of thecells that are used. He and Bhardwaj also have initiated studies at TheRockefeller University Hospital to test this approach in patients with melanoma. "For all we know, we could be at the...New gene therapy found safe for treating coronary heart disease
...liver the gene. Both bypass surgery, which routes blood around a blocked section of anartery, and angioplasty, in which a balloon is inflated inside a clogged arteryto open the vessel, are effective treatments for coronary heart disease.However, many patients cannot be helped by either procedure bec......ture Biotechnology. "We're looking for nonviral routes to introduce DNA to cells that are notrapidly dividing," says senior author Scott Diamond, PhD, associate professor ofchemical engineering at Penn. "Most gene therapies involve adenoviruses oradeno-associated viruses, but they're expensive to make." ...OHSU scientists locate 'fat thermostat' in brain
...tat. To find the adipostat, researchers traced the routes of two fiber pathways thatappear to play a role in feeding and metabolism. Cone compares the process totracing electrical wires in your home back to the fuse box. One of the pathways to the adipostat, called the NPY/AGRP, stimulates feeding.The othe...Evidence for historic global warming published in Science
...emperatures quickly opened high-latitude migration routes for the widespread dispersal of mammals. Over several hundred thousand years, global carbon and oxygen cycles gradually returned to equilibrium conditions after the LPTM, although marine and terrestrial ecosystems were forever changed." ...Concorde to blame for missing pigeons?
...ght. To find out, he compared the birds' predicted routes home with Concorde's flight paths and departure times on the days the races took place. The calculations showed that in all the races, the hapless pigeons would have entered the cone-shaped shock wave. This could have temporarily or permanently deafe...New UNC analysis of N.C. accident records shows growth in motor vehicle-deer crashes
...oads, a quarter on state roads, 17 percent on U.S. routes and only a small percentage on interstates and in towns. Almost three-fourths occurred between 6 p.m. and 6 a.m. "Only about 8 percent of these accidents caused injuries to the driver or passengers, while about 46 percent of non-deer crashes resulte...DFG to launch 21 new priority programmes
...ing processing steps and shortening the production routes from the blank to the final product. Networks are abstract structures that model binary structures. In today's society, complex network connections are important. Information processing, communication, mobility and transport are based on networking, ......ork done by Introgen and Aventis by evaluating new routes of administration and additional indications worthy of further study," said James A. Merritt, M.D., vice president for clinical affairs for Introgen. "These reports demonstrate the substantial progress being made by these investigators in cancer gen...Microscopic bone evidence supports dinosaur-bird evolution link
...etwork. The canaliculi take circuitous, meandering routes as they make connections between the bone cells and nutrient sources. That same pattern today is found only among birds. However, in a group of dinosaurs called ornithischians, which includes horned creatures such as Triceratops, the canalicular orga...