Commercial Fish: Eat Up, Despite Low Levels Of Mercury
...owering therecommended daily intake of mercury, is far superior."There are many reasons you shouldn't determine human health riskbased on the Iraqi data," says Clarkson. "That was a poisoningevent, much different from a low-level exposure to mercury, andthe mercury source was contaminated grain, not fish...Snake Venom Slows Tumor Growth
... breast cancer in women could start in "the nottoo far distant future," Markland says. Dr. Markland will present his paper, AGFD 162, on Wed., Aug. 26, from 2:30 p.m.- 3:00 p.m. atMarriott Copley Place, Salon J/K, 4th Floor For Further Information Contact: ...USGS Scientists Learn Lessons From Captive Released Manatees
...ne 3, he was closer to the Dry Tortugas, but still far fromfeeding areas with access to fresh water and o...rs. Mo is the first manatee documented to move so far offshore, more than 60miles from Key West and more than 120 miles from the Florida peninsula. He wi...Study Demonstrates High Conservation Potential Of Logged Rainforest
... trees than did unlogged sites.But the picture was far different at sites that had been given eight years torecover from logging. Overall, the "species richness of small trees in the eight-year loggedsite approached that of unlogged forest," said their Science report, which alsoacknowledged that ...UNC Scientists Succeed In Inserting Gene In Human Cells Via Artificial Chromosome
...try at the UNC-CH School of Medicine. "Although so far we haveworked only in cultured human cells in the laboratory, we believe it couldeventually work well directly in humans. It is exciting and very promising." A report on the research appears in the September issue of Human GeneTherapy, a sci...Envisioning Ions With INEEL-Developed Simulation
...mysteries from this side of the SolarSystem to its far reaches. Three instruments now hurtling toward Saturn aboard the spacecraft Cassini willanalyze cosmic dust and the atmosphere of Titan, Saturn's largest moon. Dahl'saward-winning ion optics simulation program, SIMION for the PC, helped designthe ...Simple Chemical Switch Steers Migrating Neurons
...s remarkable that all five cues we've looked at so far fit thissimple picture," said Tessier-Lavigne. "We seem to be tapping into someprimordial guidance mechanisms. The growth cone is a machine designed torespond to the environment by turning one way or the other, so maybeit's not so surprising there ar......nce were naturally, and that thisactivity began as far back as 6,000 years ago. William Shotyk, of the Universityof Berne, and his colleagues analyzed changing levels and sources of lead in theatmosphere over the last 14,000 years by studying layers of peat in an ancientbog in Switzerland's Jura Mountain...Research Answers Burning Questions About Pollution
...ork with lean direct injection spray flames has so far been limited to flames produced at atmospheric pressures," he says. "In a real jet engine, the pressures are much higher, and that's the next step for me and my students combining sprays with high pressure." Cooper, from Batesville, Ark., ......le, functions. The test tube immunossay, which so far has been used to detect infection inhamsters, identifies extremely low levels of prion protein--the only knowncomponent of the infectious prion--and does so within a matter of eight hours. And the researchers said they believe the design can be adapt...Researchers Link Gene Defects To The Course Of A Deadly Form Of Heart Disease
...d damaged gene is responsible for a defect that is far morelikely to be fatal. Knowing which gene is defe...ill take, and it enables them to treateach patient far more effectively. A blood test is currently being developed which will be able totell patients with...Goats And Spiders Are Working Together To Create A Novel Material
... stresses on the protein are minimised. So far so good. But Turner cautions that the work is still in its earlystages. It will take about a year before the herd of biosteel goats is largeenough for Nexia's scientists to collect the protein they need to start makingfabric. Then they will face the ...Major Plant Genome Research Project Grants Renewed
...thesmallest genome and the highest gene density so far identified in a floweringplant. What scientists learn from the study of Arabidopsis will be immediatelyapplicable to economically important plant species, according to Mary Clutter,NSF assistant director for biological sciences, and will lead to the...Study Finds First Genetic Clues To Brain Tumor Treatment
...py,while those without chromosome 1 loss responded far less frequently. Patientswhose tumors had chromosome 1 loss also had markedly better survival. Thechromosome 19 loss also was associated with longer survival, and the chromosome9 deletion was associated with a worse prognosis. But overall, the chro...USGS Finds Sea Otters At Risk From Killer Whales In A Changing Ocean
...colleagues are concernedabout how events occurring far out to sea are profoundly affecting shorelife.This dramatic change in how ocean and coastal systems are being linked mayaffect numerous marine and coastal species, the authors concluded. The researchers calculated that a killer whale on a steady d...Whitaker makes largest individual grants ever totaling more than $30 million
... million, plans toterminate at the end of 2006. So far this year, it has awarded $87 million tosupport biomedical engineering.......he important implications of the current study, as far as ecologists areconcerned, is the linkage between... coastal ecosystem and events and speciesseemingly far removed from it. The transient presence of killer whales, drivento prey on sea otters by changes in ...Did Fur Trappers Trigger Landscape Changes?
...wouldbe transported farther downstream, perhaps as far as the Chesapeake Bay." Brush's theory is sup...ating. The oldest core collected in this region so far is 15,000 years old. Itcame from IndianCreek, a tributary of the Anacostia River near Washington, D.......he nanoliter scale using sample and reagentvolumes far smaller than those needed in typical human or robotic handlingmethods. Cost savings should be a major byproduct because of increased processing speed;lower expenses for labor, equipment, and material; as well as inexpensiveproduction through photolit...