Tag: "mineral" at biology news

U.S. Geological Survey 1998 Budget: Increased Support For Drinking Water, Earthquakes And Biological Sciences

...o consume enormous quantities of water,energy and mineral resources and to push development into areas that ...s of the formerNational Biological Service and the mineral information function of theformer Bureau of Mines, we have taken on some exciting newresponsibiliti...

A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens

...s. But in the later stages, the ash has far more mineral content and is less "pointy and abrasive." The first ash from Krakatau, he says, was almost certainly much more like the ash found shortly after the Mount St. Helens explosion. Even the first, sharp tephra is quickly rendered less lethal, as it ge...

Fossils Show British Columbia Was Once 2,000 Miles South

... is heated, particularly byvolcanic upheavals, the mineral crystals in the rocks can become remagnetized,leaving no trace of the earlier, ancient magnetic field. So those BritishColumbia rocks may not have moved north, but simply been remagnetized over time. Ward calls the 131 rock samples he obtaine...

Chesapeake Bay Sediment : Home To Pfiesteria-Like Microbes

...f life bymonitoring water, biological, energy, and mineral resources of the nation. (For more detailed information on Pfiesteria and sediment cores in the Chesapeake Bay and its tributaries, contact Thomas M. Cronin,geologist, by phone at (703) 648-6363; or for general information about USGS activities in t...

Disease Takes Its Toll On Waterfowl Populations

... life by monitoring water, biological, energy, and mineral resources of the nation....

Researcher Discovers Plant Genes For Phosphate Uptake

...d essentially fixes it." Midwestern soils hold the mineral less tightly, but generally still require annual applications of phosphorus to keep crops healthy, Mengel says. Even in the Midwest, soil phosphorus is the least available of the big three nutrients. When soil phosphorus is sparse and plants can't ge...

AAAS Honors Three USGS Scientists As Fellows

...flife by monitoring water, biological, energy, and mineral resources....

Scientists Work To Restore Native Fish And Habitat To Great Lakes

...f life by monitoring water, biological, energy and mineral resources....

Selenium Soil Contamination: Possible New Approach Identified

... safer elemental form. Selenium is a trace mineral that can be highly toxic or carcinogenic tohumans ...cs studies show that green rust may be animportant mineral in anoxic sediments." Myneni and his colleagues are now in the process of analyzing samples ...

USGS Scientists Implicate Exotic Parasite In Wisconsin Lake Bird Deaths

...of life by monitoring water,biological, energy and mineral resources of the nation. Contact: Elise Parker or Paul Slota 608-270-2420 Catherine Haecker 703-648-4283 ###USGS...

USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks

...f lifeby monitoring water, biological, energy, and mineral resources. ####USGS#### NOTE TO EDITORS: Still photographs showing brown bears attracted to study sitessprayed with red pepper spray can be obtained at the USGS Biological ResourcesDivision website at http://www.biology.usgs.gov/pr/newsre...

"Doctor Watershed" Named AAAS Fellow

...f life by monitoring water, biological, energy and mineral resources....

"Discovering Biological Diversity" Is AAAS Topic For USGS Manager

...ater, biological,energy, and mineral resources. This press release and in-depth information about USGS programsmay be found on the USGS home page: http://www.usgs.gov. To receive thelatest USGS news releases automatically by ema...

Summary Of USGS Presentations And Activities, AAAS, 1998

...of life by monitoring water, biological,energy and mineral resources....

Studies Underscore Link Between Nutrition And Nonmelanoma Skin Cancers

...thoutconsulting a physician. Selenium, a mineral that acts as an antioxidant, also may play a role inreducing the risk of skin cancer. Selenium is available liberally in foodsources such as brown rice, whole grains and Brazil nuts. One single Brazil nutprovides 120 micrograms of the mineral, excee...

Research Reveals Link Between Development And Contamination In Urban Watersheds

...of life by monitoring water, biological,energy and mineral resources. For additional information contact: Dr. Edward Furlong, Research Chemist efurlong@usgs.gov 303-467-8080 (office) 303-467-8240 (fax) Pete VanMetre, Hydrologist pcvanmet@usgs.gov 512-873-3006 (office) For additional information about th...

How Did Life Begin? Biochemical Evolution On Chemical Surfaces

...scovered in Antarctica, and Smith thinks that this mineral could provide thekey to the chemical evolution tha...ds, could accumulate in thepores of a zeolite, the mineral surface could have provided the catalyticframework for assembling them into polymers and protecting ...

USGS To Study Young Forests And Streamsides In Western Oregon

...f lifeby monitoring water, biological, energy, and mineral resources....

A Longitudinal Study Of Calcium Homeostasis During Human Pregnancy And Lactation And After Resumption Of Menses

...er administration of stable calcium isotopes. Bone mineral of the total body and lumbar spine was measured by...0; 0.001), but only minor changes in maternal bone mineral were detected. At EL, dietary calcium and calcium absorption were not significantly different from t...

Agriculture and urban activities impact water quality in the South Platte River Basin

... life by monitoring water, biological, energy, and mineral resources. For additional information contact: Kevin Dennehy, Project Manager South Platte River Basin NAWQA (303) 236-4882 X312 kdennehy@usgs.gov Peter McMahon, Water Quality Specialist South Platte River Basin N...

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