News tagged with stable isotopes
Looking for signs of early life
Space & Earth / Earth Sciences
Jul 08, 2009 |
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(PhysOrg.com) -- Deciphering the very early history of life on Earth is difficult. In the darkest recesses of the first billion years there are no 'body' fossils - no physical remains. Instead, scientists ...
Ancient geologic escape hatches mistaken for tube worms
Biology /
Feb 04, 2009 |
4.2 / 5 (5) |
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Tubeworms have been around for millions of years and the fossil record is rich with their distinctive imprints. But a discovery made by U of C scientists found that what previous researchers had labeled as tubeworms in a ...
Nile Delta fishery grows dramatically thanks to run-off of sewage, fertilizers
Jan 20, 2009 |
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(PhysOrg.com) -- While many of the world’s fisheries are in serious decline, the coastal Mediterranean fishery off the Nile Delta has expanded dramatically since the 1980s.
Search results for stable isotopes
Argonne scientists reach milestone in accelerator upgrade project
Jan 06, 2009 |
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Scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory have successfully stopped and then reaccelerated a stable ion through a newly constructed charge-breeder, bringing the CAlifornium Rare Isotope ...
New technique put to use to test clean up of contaminated groundwater
Jan 30, 2009 |
4 / 5 (3) |
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Cleaning up the dangerous contaminants — dry-cleaning fluids, solvents and petroleum hydrocarbons — found in underground water presents one of the most urgent challenges facing environmental science. A report issued today ...
Peruvian stalagmites a new basis for 'Inconvenient truth'?
Space & Earth / Earth Sciences
Apr 29, 2009 |
2.9 / 5 (7) |
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Will the Netherlands that is dominated by water succumb to the 'Inconvenient Truth' predicted by Al Gore? Dutch researcher Martin van Breukelen analysed stalagmites from the South American Amazon tributaries in Peru. He used ...
Nickel isotope may be methane producing microbe biomarker
Space & Earth / Earth Sciences
Jun 22, 2009 |
5 / 5 (2) |
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Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes, according to Penn State and University of ...
Atomic Particles Help Solve Planetary Puzzle
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.5 / 5 (12) |
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(PhysOrg.com) -- A University of Arkansas professor and his colleagues have shown that the Earth's mantle contains the same isotopic signatures from magnesium as meteorites do, suggesting that the planet formed ...
Meat and two neutrons -- the key to a longer life
Mar 26, 2007 |
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Indulging in an isotope-enhanced steak or chicken fillet every now and again could add as much as 10 years to your life. Scientists have shown for the first time that food enriched with natural isotopes builds bodily components ...
Mercury concentrations in fish respond quickly to increased deposition
Sep 17, 2007 |
4.2 / 5 (5) |
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A joint Canadian-American research team have, for the first time, demonstrated that mercury concentrations in fish respond directly to changes in atmospheric deposition of the chemical. The international team’s research ...
Theory of the sun's role in formation of the solar system questioned
Space & Earth / Space Exploration
Sep 04, 2008 |
4.7 / 5 (35) |
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A strange mix of oxygen found in a stony meteorite that exploded over Pueblito de Allende, Mexico nearly 40 years ago has puzzled scientists ever since. Small flecks of minerals lodged in the stone and thought ...
New method for manufacturing radio isotopes
Sep 11, 2008 |
4 / 5 (3) |
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Thanks to a newly-developed technology at the Delft University of Technology in the Netherlands, global shortages of radio isotopes for cancer diagnosis could be a thing of the past. This is the message from Prof. Bert Wolterbeek ...
Scientists seek marijuana's isotopic fingerprint
Jun 22, 2007 |
2.4 / 5 (17) |
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Scientists at the Alaska Stable Isotope Facility can tell whether marijuana confiscated in a traffic stop in Fairbanks likely came from Mexico or the Matanuska Valley. They're also working on a way to determine whether it ...
List of search results for stable isotopes
